https://agen.com/en-int/blogs/news/magnesium-glycinate-benefits 2026-07-03T15:19:01-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/blog-cover-magnesium-glycinate-benefits.png?v=1783104428 Magnesium Glycinate: Benefits, Forms, and How to Take It Bowl of magnesium powder with water, almonds, pumpkin seeds and leafy greens on cream linen https://agen.com/en-int/blogs/news/supplements-for-sleep-and-recovery 2026-07-03T15:19:01-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/blog-cover-supplements-for-sleep-and-recovery.png?v=1783104435 Best Supplements for Sleep and Recovery (An Honest Guide) Calm bedroom at dusk with warm bedside light, water glass on the nightstand https://agen.com/en-int/blogs/news/liposomal-supplements-explained 2026-07-03T15:19:01-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/blog-cover-liposomal-supplements-explained.png?v=1783104442 Liposomal Supplements: Do They Really Absorb Better? Macro photograph of golden lipid spheres suspended in clear liquid https://agen.com/en-int/blogs/news/epa-vs-dha-omega-3 2026-07-03T15:19:01-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/blog-cover-epa-vs-dha-omega-3.png?v=1783104449 EPA vs DHA: Understanding the Two Key Omega-3s Golden omega-3 softgel capsules clustered on a warm cream surface https://agen.com/en-int/blogs/news/vitamin-d3-k2-together 2026-07-03T15:19:02-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/blog-cover-vitamin-d3-k2-together.png?v=1783104456 Why Vitamin D3 and K2 Are Often Taken Together Morning sunlight over a glass dish of golden vitamin D droplets and a green sprig https://agen.com/en-int/blogs/news/creatine-everyday-benefits 2026-07-03T15:19:02-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/blog-cover-creatine-everyday-benefits.png?v=1783104464 Creatine Beyond the Gym: What the Research Shows Ceramic scoop of creatine powder beside a glass of water in soft morning light https://agen.com/en-int/blogs/news/ashwagandha-evidence 2026-07-03T15:19:02-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/blog-cover-ashwagandha-evidence.png?v=1783104471 Ashwagandha: What the Evidence Actually Says Dried ashwagandha root and ochre powder in a ceramic bowl on cream linen https://agen.com/en-int/blogs/news/supplements-for-focus 2026-07-03T15:19:02-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/blog-cover-supplements-for-focus.png?v=1783104477 Best Supplements for Focus and Concentration Minimal desk with open notebook and green tea in soft morning light, seen from above https://agen.com/en-int/blogs/news/supplements-for-immune-support 2026-07-03T15:19:02-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/blog-cover-supplements-for-immune-support.png?v=1783104484 Supplements for Everyday Immune Support Halved citrus, ginger root and honey on cream marble in fresh daylight https://agen.com/en-int/blogs/news/ag1-alternatives-2026 2026-07-03T15:19:02-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/blog-cover-ag1-alternatives-2026.png?v=1783104492 Best AG1 Alternatives in 2026: How to Compare Tall glass of green drink beside a spoon of green powder on a cream background https://agen.com/en-int/blogs/news/app-face-scan-and-60-integrations 2026-07-03T16:06:26-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/agen-app-update-cover-v2.png?v=1783109186 New in the App: A 30-Second Face Scan and 60+ Connected Apps Many health apps and wearables — heart rate, HRV, sleep, activity, nutrition — connecting into a single 30-second reading in the Agen app. https://agen.com/en-int/blogs/news/best-bedroom-temperature-for-sleep 2026-08-10T08:57:50-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/best-bedroom-temperature-for-sleep.png?v=1783110112 Sleep Is a Cooling Problem: The Case for a Colder Bedroom An abstract cover for the Agen sleep series: a temperature curve falling from warm orange to cool blue beneath a crescent moon, with a thermometer, titled 'Sleep is a cooling problem'. https://agen.com/en-int/blogs/news/zone-2-training-longevity 2026-07-28T02:32:34-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-zone-2_8a477970-6b61-4ccf-9758-7244d3246a7a.png?v=1783112362 Zone 2 Training: The Quiet Engine of Longevity A calm aerobic heart-rate wave through a highlighted Zone 2 band. https://agen.com/en-int/blogs/news/rehit-vs-hiit-explained 2026-07-28T02:33:13-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-rehit.png?v=1783112368 REHIT vs HIIT: Do Short Workouts Really Work? An interval-effort profile: an easy baseline with two all-out 20-second sprint spikes. https://agen.com/en-int/blogs/news/vo2-max-longevity 2026-07-28T02:33:16-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-vo2_cc58e767-709c-4351-b3c5-290dd5563a72.png?v=1783112373 VO₂ Max: The Number That Predicts How Long You'll Thrive A curve of VO₂ max rising over months of training toward an aerobic ceiling. https://agen.com/en-int/blogs/news/strength-training-after-40 2026-07-28T02:33:19-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-strength_99af9099-6d2b-4562-87e1-56ccb020d5a7.png?v=1783112378 Strength After 40: Why Muscle Is the Organ of Longevity Ascending blocks representing strength built over time. https://agen.com/en-int/blogs/news/walking-steps-longevity 2026-07-28T02:33:22-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-walking_099e81ab-a4f7-4d23-95a1-637911574323.png?v=1783112382 How Many Steps, Really? Walking as a Longevity Tool A dose-response curve of steps versus benefit, flattening around 7–8k steps. https://agen.com/en-int/blogs/news/how-to-improve-hrv 2026-07-28T02:33:25-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-hrv.png?v=1783112572 What HRV Actually Is — and How to Improve It A month of daily HRV readings bouncing around a gently rising smoothed baseline. https://agen.com/en-int/blogs/news/resting-heart-rate-meaning 2026-07-28T02:33:28-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-rhr.png?v=1783112758 Your Resting Heart Rate: What the Morning Number Means A calm, steady resting heart-rate pulse trace in heart-red. https://agen.com/en-int/blogs/news/recovery-when-to-push-or-rest 2026-07-28T02:33:31-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-recovery.png?v=1783152433 When to Push and When to Rest A recovery gauge from rest (red) through amber to push (green), with a needle reading near the middle. https://agen.com/en-int/blogs/news/sauna-and-cold-evidence 2026-07-28T02:33:34-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-saunacold.png?v=1783152588 Sauna and Cold Plunges: What the Evidence Actually Says A warm sun and a cool snowflake side by side, representing heat and cold therapy. https://agen.com/en-int/blogs/news/breathwork-for-stress 2026-07-28T02:33:36-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-breath.png?v=1783152730 Breathwork for Stress: Why Slow Breathing Works Concentric breathing rings radiating from a calm centre, labelled in 4, out 6. https://agen.com/en-int/blogs/news/circadian-rhythm-science 2026-07-28T02:33:39-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-circadian.png?v=1783152884 Circadian Rhythm: How Light Sets Your Body Clock A daily sun arc from a morning sun to an evening moon, showing when light helps or hurts the body clock. https://agen.com/en-int/blogs/news/sleep-stages-explained 2026-07-28T02:33:42-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-stages.png?v=1783153014 Sleep Stages Explained: Light, Deep, and REM A hypnogram of one night's sleep: deep sleep dominating early, REM periods lengthening toward morning. https://agen.com/en-int/blogs/news/caffeine-and-sleep 2026-07-28T02:33:45-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-caffeine.png?v=1783153169 Caffeine and Sleep: Why the Afternoon Cup Matters A caffeine decay curve from an afternoon coffee, still about a quarter present at bedtime. https://agen.com/en-int/blogs/news/protein-for-longevity 2026-07-28T02:33:48-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-protein.png?v=1783153315 How Much Protein for Longevity? The RDA Is a Floor Ascending bars comparing the 0.8 g/kg RDA floor with higher protein targets for active and older adults. https://agen.com/en-int/blogs/news/glucose-spikes-steady-energy 2026-07-28T02:33:51-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-glucose.png?v=1783153463 Glucose Spikes and Steady Energy: What Actually Helps Two post-meal glucose curves: a sharp spike-and-crash versus a gentle, steady rise. https://agen.com/en-int/blogs/news/fiber-and-gut-microbiome 2026-07-28T02:33:54-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-fiber.png?v=1783153601 Fibre and the Gut Microbiome: Feed the Ecosystem A scatter of varied coloured dots representing a diverse gut microbiome fed by dietary fibre. https://agen.com/en-int/blogs/news/intermittent-fasting-evidence 2026-07-28T02:33:57-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-fasting.png?v=1783153747 Intermittent Fasting: What the Evidence Actually Shows A 16:8 clock ring with an 8-hour eating window highlighted in green against 16 hours of fasting. https://agen.com/en-int/blogs/news/hydration-and-electrolytes 2026-07-28T02:34:00-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-hydration.png?v=1783153890 Hydration and Electrolytes: How Much Water Do You Really Need? A graduated urine colour scale from pale (well hydrated) to dark amber (drink more). https://agen.com/en-int/blogs/news/longevity-biomarkers-that-matter 2026-07-28T02:34:03-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-biomarkers.png?v=1783154033 The Longevity Biomarkers That Actually Matter Ranked bars showing the predictive signal of key longevity biomarkers, led by VO2 max and strength. https://agen.com/en-int/blogs/news/build-a-longevity-protocol 2026-07-28T02:34:06-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-protocol.png?v=1783154196 How to Build a Longevity Protocol (From the Base Up) A hierarchy-of-leverage pyramid: movement and food at the base, then recovery, measurement, and supplements at the top. https://agen.com/en-int/blogs/news/exercise-snacks-everyday-movement 2026-07-28T02:34:09-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-vilpa.png?v=1783154919 Exercise Snacks: The Surprising Power of One-Minute Bursts A day's activity trace, mostly flat with short vigorous spikes labelled stairs, uphill, carry, and dash. https://agen.com/en-int/blogs/news/sleep-regularity-vs-duration 2026-07-28T02:34:12-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-sleepreg.png?v=1783156179 Sleep Regularity vs Duration: Why Consistency May Matter More Two weeks of nightly sleep windows: an aligned, regular week in green above a jagged, irregular week in red. https://agen.com/en-int/blogs/news/strength-training-sweet-spot 2026-07-28T02:34:15-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/strength-sweet-spot-cover.png?v=1783438141 The Strength-Training Sweet Spot Curve showing strength training's longevity benefit rising then plateauing at 90 to 120 minutes a week https://agen.com/en-int/blogs/news/vascular-age-from-your-pulse 2026-07-28T02:34:18-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-vascular-age.png?v=1783492530 Your Arteries Keep Their Own Age An overnight pulse waveform above a two-age dial, illustrating vascular age relative to chronological age. https://agen.com/en-int/blogs/news/deep-sleep-and-growth-hormone 2026-07-28T02:34:21-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/deep-sleep-cover.png?v=1783584392 The Night Shift: What Deep Sleep Does to Your Body Illustration of a night's hypnogram with the largest growth-hormone surge marked during the first deep-sleep period. https://agen.com/en-int/blogs/news/exercise-intensity-and-aging-muscle 2026-07-28T02:34:24-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover.png?v=1783669518 Same Weight, Different Body: What Exercise Intensity Does to Aging Muscle Two body-composition columns comparing moderate and high-intensity training; only the high-intensity column keeps its lean-muscle block, marked in coral. https://agen.com/en-int/blogs/news/weekend-warrior-exercise 2026-08-07T01:09:33-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/weekend-warrior-cover.png?v=1783770629 The Weekend Warrior, Vindicated: When Two Days a Week Is Enough A weekly bar chart with two tall coral Saturday and Sunday bars and faint weekday marks, labelled same weekly dose, about 150 minutes. https://agen.com/en-int/blogs/news/what-your-wearable-can-and-cant-measure 2026-08-06T10:50:34-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/wearables-cover.png?v=1783790039 Your Wrist Is Not a Doctor: What Your Wearable Can and Can't Measure A lone person walking a path through a misty meadow at dawn under a wide soft sky, with the Agen logo and the word Longevity. https://agen.com/en-int/blogs/news/grip-strength-and-longevity 2026-07-28T02:34:33-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_7686f9fb-2aa2-4693-a1e4-09ce160b36c9.png?v=1783845188 Grip Strength: The Quiet Longevity Number in Your Hands Agen figure: a strength gauge with the needle pointing into the strong zone. https://agen.com/en-int/blogs/news/fermented-foods-and-the-microbiome 2026-07-28T02:34:36-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-ferment.png?v=1783926922 Fermented Foods and the Microbiome: What a Stanford Trial Found A rising curve of gut microbiome diversity with growing, varied microbial dots, above a flat dotted comparison line. https://agen.com/en-int/blogs/news/heart-rate-recovery-after-exercise 2026-07-28T02:34:39-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_2d52f8ed-3072-4fbe-8943-e82b2e0e99d8.png?v=1784009506 Heart Rate Recovery: The Number That Shows Up After You Stop A heart-rate curve rising during effort, then dropping in the first sixty seconds after you stop — the shape of heart rate recovery. https://agen.com/en-int/blogs/news/the-agen-evidence-score 2026-07-28T02:34:42-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-evidence-score.png?v=1784036780 Introducing the Agen Evidence Score The Agen Evidence Score — seven category bars in the Agen palette https://agen.com/en-int/blogs/news/exercise-variety-and-longevity 2026-07-28T02:34:45-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_e044c25d-d8f1-4226-9cea-6db543c84250.png?v=1784097120 Range Over Repetition: The Quiet Case for Exercise Variety Abstract diagram of a dozen movement types arranged around a single hub, in Agen's muted palette. https://agen.com/en-int/blogs/news/age-beliefs-and-how-you-age 2026-07-28T02:34:48-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_deb500a8-068d-4583-9250-aeffad9643af.png?v=1784185161 Do You Think Aging Is Just Decline? A New Study Says Look Again Two diverging trajectories from a shared start: an assumed decline and an observed upturn, illustrating that many adults improve in later life. https://agen.com/en-int/blogs/news/eat-the-rainbow-flavonoids 2026-07-28T02:34:51-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_84af6c01-32c9-444e-9762-c041a13d7eae.png?v=1784277318 Eat the Rainbow: Flavonoid Variety and How You Age A rainbow arc of seven coloured dots representing flavonoid-rich foods — berries, grapes, tea, apple, orange, onion and cocoa. https://agen.com/en-int/blogs/news/muscle-as-an-organ-myokines 2026-07-28T02:34:54-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_9307c497-f55e-433c-83dc-072d23172f28.png?v=1784361221 Muscle Is a Gland, Too: The Myokines Your Body Releases When You Move A diagram of a contracting muscle releasing myokine signals to the brain, bone, fat tissue, liver, pancreas and heart. https://agen.com/en-int/blogs/news/social-connection-and-longevity 2026-07-28T02:34:57-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-social.png?v=1784439195 The Longevity Input No Wearable Can Measure An abstract Agen cover: a small network of connected nodes resolving into a heartbeat trace, with a single coral accent. https://agen.com/en-int/blogs/news/one-leg-balance-test-aging 2026-07-28T02:35:00-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_30182334-f53e-480c-9c36-6d9264a8f5d9.png?v=1784522186 The Ten-Second Balance Test: What Standing on One Leg Reveals About Aging A minimalist figure balancing on one leg over concentric rings, with the label 10 seconds on one leg https://agen.com/en-int/blogs/news/cardiorespiratory-fitness-and-the-brain 2026-07-28T02:35:03-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_eddd6c04-63bb-4f05-9ebb-b162a28d968b.png?v=1784623174 The Fittest Brain: What Cardiorespiratory Fitness Has to Do With How the Mind Ages A rising VO2max curve resolving into a line-art brain, labeled fitness leading to a brain that ages better https://agen.com/en-int/blogs/news/daytime-napping-good-or-bad 2026-07-28T02:35:06-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-nap.png?v=1784726373 Are Naps Good or Bad? What the Newest Research Actually Says A dose-response curve: health-risk associations stay low for short naps and rise for long ones, with short-nap and long-nap zones marked. https://agen.com/en-int/blogs/news/omega-3-index-longevity-biomarker 2026-07-28T02:35:09-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/omega3-index-cover.png?v=1784787860 The Omega-3 Index: The Longevity Number Hiding in Your Blood The omega-3 index shown as a scale from 0 to 12 percent, with a low, intermediate and desirable zone and a marker at the 8 percent target. https://agen.com/en-int/blogs/news/light-exposure-circadian-health 2026-07-28T02:35:12-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_135fad82-257c-488e-869a-4a71cf4f1cff.png?v=1784873856 The Light You Live In: Bright Days, Dark Nights, and Your Body Clock An illustration of a daily light curve, bright at midday and dark at night, on the Agen paper background. https://agen.com/en-int/blogs/news/ultra-processed-food-explained 2026-07-28T02:35:15-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-upf.png?v=1784948151 Ultra-Processed Food, Without the Panic A bar chart showing more calories eaten per day on an ultra-processed diet than a whole-food diet, though both offered the same calories. https://agen.com/en-int/blogs/news/healthspan-gap-living-longer-not-better 2026-07-28T02:35:18-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-gap.png?v=1785037702 The Ten-Year Gap Between Living Longer and Living Well Two stacked bars comparing 1990 and 2023: healthy life expectancy rose from 55.9 to 63.1 years while the gap of years lived in poor health widened from 8.8 to 10.7. https://agen.com/en-int/blogs/news/biological-age-tests-honestly 2026-08-07T01:08:03-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-bioage.png?v=1785118830 Biological Age Tests, Honestly: What the 2026 Research Found Agen illustration: a single biological-age estimate marked on a scale, drawn with the wide uncertainty bands around it https://agen.com/en-int/blogs/news/alcohol-sleep-and-recovery 2026-07-28T01:50:21-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-alcohol-sleep.png?v=1785217821 The nightcap illusion: what alcohol does to your sleep and recovery Illustration of one night: sleep depth deep early and broken after 3 a.m., with nocturnal heart rate sitting above its usual level https://agen.com/en-int/blogs/news/breaking-up-prolonged-sitting 2026-07-29T03:47:39-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-sitting-shape.png?v=1785309361 Breaking Up Prolonged Sitting: Why the Shape of Your Day Counts Two day strips showing the same eight hours of sitting taken as four long blocks and as sixteen short bouts https://agen.com/en-int/blogs/news/activity-vs-training-muscle-aging 2026-07-29T23:35:51-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-muscle.png?v=1785382551 Active Is Not Trained: What Half of Muscle Ageing Turned Out to Be Agen illustration: two matched bars for daily movement above two unmatched bars for the age-related shift in muscle, marking the share that tracked training https://agen.com/en-int/blogs/news/meal-timing-when-you-eat 2026-07-31T01:32:29-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-meal-timing.png?v=1785475949 The Same Dinner at 10 p.m. Is a Different Dinner A schematic curve of the body's capacity to handle a meal falling across the day, with two identical eating windows placed at different hours https://agen.com/en-int/blogs/news/training-in-the-heat-acclimation 2026-07-31T23:40:22-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_dd034f05-6315-468f-b092-5c0c427e6903.png?v=1785555622 Training in the Heat: Why You Slow Down, and What Your Body Builds Instead An Agen chart showing heat acclimation rising steeply over the first week of heat exposure and flattening around day 7 to 10 https://agen.com/en-int/blogs/news/protein-restriction-and-aging 2026-08-02T01:36:44-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-protein-restriction.png?v=1785649004 The case for eating less protein — and where it stops applying Two schematic curves crossing: for adults under 60 the association with better outcomes falls as protein intake rises, while for those 65 and over it climbs. https://agen.com/en-int/blogs/news/superagers-cognitive-resilience 2026-08-03T01:32:39-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-superagers.png?v=1785735159 SuperAgers: Why Exceptional Memory at 80 Isn't in the Genes Two schematic memory trajectories from age 50 to 90: a typical curve declining steadily, and a SuperAger line staying flat. https://agen.com/en-int/blogs/news/best-time-of-day-to-exercise 2026-08-04T00:47:47-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-exercise-timing.png?v=1785817396 The Best Time of Day to Exercise — and Why the Studies Disagree A 24-hour timeline marking where three 2026 studies each placed their best window for exercise. https://agen.com/en-int/blogs/news/one-workout-a-week-evidence 2026-08-07T01:12:30-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-one-workout-week.png?v=1785905681 One Workout a Week: What the New Trial Actually Prescribed A timeline of the trial's once-weekly session: three interval bouts separated by long rests, with one bout expanded into four hard efforts and three recoveries. https://agen.com/en-int/blogs/news/sleep-beyond-a-single-number 2026-08-06T10:45:32-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-sleep-one-number.png?v=1785988295 One Number for a Whole Night: What an AI Found in 10,000 Sleep Studies Thirteen channels of an overnight recording funnelling down into a single reported number. https://agen.com/en-int/blogs/news/maximum-human-lifespan-limit 2026-08-07T02:00:27-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-lifespan-ceiling.png?v=1786082427 Humans could live to 194. The number that matters is 100. Bars comparing a modelled lifespan ceiling of 146–194 years with the observed human record of 122 years and a current life expectancy of about 85. https://agen.com/en-int/blogs/news/tendons-adapt-slower-than-muscle 2026-08-07T02:01:23-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-tendon-clock.png?v=1786082483 Muscle Adapts Fast. Tendon Doesn't. A timeline showing muscle carbon dating to about two years ago and Achilles tendon core carbon dating to before age 17. https://agen.com/en-int/blogs/news/coffee-and-longevity-evidence 2026-08-08T06:41:13-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-coffee-longevity.png?v=1786185673 Coffee and longevity: a permission slip, not a prescription A line chart of hazard ratios for all-cause mortality by daily coffee intake, falling below the non-drinker reference line and flattening. https://agen.com/en-int/blogs/news/bedroom-air-quality-and-sleep 2026-08-09T02:39:22-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-bedroom-air.png?v=1786257562 Bedroom Air Quality and Sleep: The Free Variable Nobody Measures Overnight carbon dioxide rising past the 800 ppm target line in a closed bedroom, against a flat line for a ventilated room. https://agen.com/en-int/blogs/news/normal-body-temperature-history 2026-08-09T02:44:25-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-normal-body-temperature-history.png?v=1786257865 The Invention of Normal: Where 37 °C Came From A distribution of modern body-temperature readings peaking near 36.6 °C, with a coral line marking 37.0 °C to the right of the peak https://agen.com/en-int/blogs/news/muscle-power-vs-strength-aging 2026-08-09T22:39:19-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-muscle-power.png?v=1786329559 Muscle Power Leaves Before Strength Does Two diverging curves showing muscle power declining faster than force with age https://agen.com/en-int/blogs/news/what-actually-builds-bone 2026-08-11T04:43:06-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-bone.png?v=1786437786 What Actually Builds Bone — And Why Most Exercise Doesn't Many small loads staying below a dashed set-point line, and three tall loads crossing it. https://agen.com/en-int/blogs/news/how-much-exercise-per-week-really 2026-08-12T01:47:38-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-exercise-week.png?v=1786513658 No, You Don't Need 10 Hours of Exercise a Week A dose-response curve rising from left to right with three marked points, the highest in coral. https://agen.com/en-int/blogs/news/exercise-and-brain-waste-clearance 2026-08-12T23:00:19-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-brain-clearance.png?v=1786590019 Exercise and the Brain's Night Shift: What the Glymphatic Research Actually Says Three stacked wave traces — a slow wave, a blood-volume dip and a pulse of fluid — offset in time, on an Agen cream background https://agen.com/en-int/blogs/news/who-extra-protein-actually-helps 2026-08-14T04:47:55-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-protein-threshold.png?v=1786697275 Who Extra Protein Actually Helps A dose-response curve rising steeply and then flattening, with the breakpoint's uncertainty band shaded at the bend. https://agen.com/en-int/blogs/news/best-exercise-for-sleep 2026-08-14T04:47:55-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-best-exercise-for-sleep.png?v=1786697275 Is Yoga Really the Best Exercise for Sleep? Three ranked lists of exercise types for sleep, each crowning a different first place. https://agen.com/en-int/blogs/news/cold-water-immersion-after-training 2026-08-15T04:52:23-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-cold-water-immersion.png?v=1786783943 Cold Water After Training: What the Ice Actually Does A curve showing post-exercise soreness relief from cold water dipping sharply and returning to the no-effect line within about 48 hours. https://agen.com/en-int/blogs/news/history-of-the-calorie 2026-08-16T00:24:52-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-calorie.png?v=1786854292 The Man in the Copper Box: Who Invented the Calorie Schematic of the 1890s Atwater-Rosa respiration calorimeter above the constants 4, 9 and 4 kilocalories per gram https://agen.com/en-int/blogs/news/how-fast-you-walk-longevity 2026-08-16T00:27:15-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-gait-speed.png?v=1786854435 How Fast You Walk When Nobody's Timing You A number line of usual walking pace in metres per second with markers at 0.6, 0.8, 1.0 and an open marker at 1.2, under a curve rising with pace. https://agen.com/en-int/blogs/news/what-you-lose-when-you-stop-training 2026-08-17T05:07:06-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-detraining.png?v=1786957626 Three Weeks Off: What You Lose, and What Waits A line falling from a dashed trained-value baseline to minus seven per cent at day twenty-one and minus sixteen per cent at day fifty-six, then running flat to day eighty-four. https://agen.com/en-int/blogs/news/purpose-in-life-and-longevity 2026-08-17T22:47:37-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-purpose.png?v=1787021094 Does a Sense of Purpose Really Make You Live Longer? A forest plot of three published hazard ratios for purpose in life and mortality, on a logarithmic axis around a dashed no-difference line. https://agen.com/en-int/blogs/news/gut-bacteria-fiber-and-your-gut-lining 2026-08-19T03:55:16-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-fiber_96b68339-c3e3-49a2-a1ec-e0577983f2d6.png?v=1787126116 No, your gut bacteria are not eating you — but fibre decides what they make A diagram forking from one node into two routes: plant protein plus fibre leading to hippurate, and host-secreted protein leading to p-cresol sulfate. https://agen.com/en-int/blogs/news/stair-climbing-and-longevity 2026-08-20T11:29:10-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-stairs.png?v=1787239750 Six Flights a Day: What the Stair-Climbing Study Really Measured A line drawing of a six-flight staircase with a coral marker at the top step. https://agen.com/en-int/blogs/news/vitamin-d-and-belly-fat 2026-08-21T02:14:25-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_955cd192-5c6c-45cd-a8d4-3362ee762750.png?v=1787292865 Vitamin D and Belly Fat: The Headline Had the Arrow Backwards Vitamin D and Belly Fat: The Headline Had the Arrow Backwards https://agen.com/en-int/blogs/news/can-you-catch-up-on-sleep 2026-08-21T02:14:42-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-catch-up-sleep.png?v=1787292882 Can You Catch Up on Sleep? What Recovery Sleep Actually Repays Two curves across fourteen nights of short sleep: the measured cost keeps climbing while the feeling of tiredness plateaus early. https://agen.com/en-int/blogs/news/deload-week-evidence 2026-08-22T01:20:23-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-deload.png?v=1787376023 Take the Sets Off, Not the Week Off: What Deload Research Found A training block drawn as bars: five hard weeks, one short coral easy week inside a dashed outline, then hard weeks resuming. https://agen.com/en-int/blogs/news/how-rem-sleep-was-discovered 2026-08-23T08:10:26-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-rem-sleep-history.png?v=1787487026 How REM sleep was discovered — and how it became a number on your wrist A schematic hypnogram of one night's sleep drawn as a staircase, with the REM segments highlighted in coral. https://agen.com/en-int/blogs/news/mobility-tests-what-they-measure 2026-08-24T01:27:52-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_08a82a2c-16c4-4f7f-9b3c-89e652d55fac.png?v=1787549272 The Floor Doesn't Know How Long You'll Live An ascending dotted arc rising from a floor line to a highlighted end point, marking a 0-to-10 scale. https://agen.com/en-int/blogs/news/hrv-guided-training-evidence 2026-08-25T02:25:49-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-hrv-guided.png?v=1787639149 Should Your HRV Decide Today's Workout? A fourteen-day heart rate variability trace inside a shaded baseline band, with one day dipping below it. https://agen.com/en-int/blogs/news/how-liposomes-work-in-your-gut 2026-08-25T05:24:35-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-1.png?v=1787649875 How a Liposome Actually Crosses Your Gut Wall Diagram of a liposome progressively coming apart as it travels, leaving only its payload https://agen.com/en-int/blogs/news/quercetin-absorption-delivery-systems 2026-08-25T05:24:48-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-2.png?v=1787649888 Why Quercetin Barely Absorbs — and What Actually Changes That Bar ladder showing quercetin bioavailability rising 20-fold from aglycone to oligoglucosides https://agen.com/en-int/blogs/news/liposomal-vitamin-c-what-the-trials-show 2026-08-25T05:24:56-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-3.png?v=1787649896 Liposomal Vitamin C: What the Trials Actually Show Saturation curve of plasma vitamin C flattening into a plateau band at 50 to 70 micromoles per litre https://agen.com/en-int/blogs/news/astaxanthin-hyaluronic-acid-absorption 2026-08-25T05:26:52-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-4.png?v=1787649904 Astaxanthin and Hyaluronic Acid: Two Very Different Absorption Problems Two diverging absorption routes: a fat route into the lymph and a microbial route producing fragments https://agen.com/en-int/blogs/news/sleep-duration-and-biological-aging 2026-08-26T01:17:03-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-sleep-clocks.png?v=1787719113 6.4 to 7.8 Hours: The Sleep Window That Isn’t a Target A U-shaped curve with a wide shaded band at its base and three markers at different points along the flat bottom. https://agen.com/en-int/blogs/news/sprint-intervals-vs-moderate-exercise 2026-08-27T01:09:27-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-sprint.png?v=1787807367 Three minutes of sprinting moved a quarter of the blood proteins. Then came hour three. A chart of molecules moved in the blood: a coral sprint curve spiking immediately after exercise then decaying, and a blue moderate-exercise curve rising slowly, the two converging at three hours. https://agen.com/en-int/blogs/news/how-fast-you-eat-portion-size 2026-08-28T03:02:05-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-eating-rate.png?v=1787900525 How fast you eat is a portion size Two rows of identical dots, one compressed and one spread out, showing the same meal eaten over more minutes. https://agen.com/en-int/blogs/news/vitamin-c-and-the-common-cold 2026-08-28T03:03:32-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_f26d961b-bef2-46b0-8db6-f928fc756970.png?v=1787900612 Vitamin C and the common cold: the ski camp that convinced a Nobel laureate Two pooled risk ratios for catching a cold on vitamin C: 0.97 in the general population, 0.48 in people under heavy physical stress. https://agen.com/en-int/blogs/news/finnish-sauna-studies-what-they-measured 2026-08-29T01:04:03-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-sauna.png?v=1787979843 What the Finnish sauna studies actually measured Line chart of cardiovascular hazard ratios by weekly sauna frequency, with open markers showing trials that found no effect https://agen.com/en-int/blogs/news/eccentric-training-lowering-phase 2026-08-31T01:15:11-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_21191d6f-b7ea-4056-87b4-333b8c0e6e39.png?v=1788153311 Eccentric training: the half of the rep most people throw away Agen figure: a fast one-second lift and a long three-second lowering, over a descending staircase https://agen.com/en-int/blogs/news/history-of-the-treadmill 2026-08-31T01:31:07-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-treadmill-history.png?v=1788154267 The everlasting staircase: how the treadmill learned to measure you A prison treadwheel, a flight of never-ending steps and a motorised belt with a rising curve, drawn in the Agen style. https://agen.com/en-int/blogs/news/waist-size-vs-bmi 2026-09-02T01:15:07-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_0e100a71-59c4-40ee-b890-0a83e39ecb49.png?v=1788326107 Waist size vs BMI: what a tape measure knows that an index doesn’t Waist size vs BMI: what a tape measure knows that an index doesn’t https://agen.com/en-int/blogs/news/exercise-non-responders-evidence 2026-09-03T02:48:17-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-nonresponders.png?v=1788418097 There are fewer non-responders than you think Descending columns falling to two open markers on a baseline as the training dose increases. https://agen.com/en-int/blogs/news/does-metabolism-slow-with-age 2026-09-04T03:26:20-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-metabolism.png?v=1788506780 Your Metabolism Doesn’t Slow Down at 40 A line chart of size-adjusted daily energy expenditure across a human lifespan, flat between ages 20 and 63. https://agen.com/en-int/blogs/news/fiber-maxxing-vs-protein-maxxing 2026-09-04T03:31:46-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-fiber-maxxing.png?v=1788507106 Fiber-maxxing vs protein-maxxing: what the evidence measured An intake bar reaching about 60% of a target, with the remaining gap hatched in coral. https://agen.com/en-int/blogs/news/exercise-weight-loss-vs-keeping-it-off 2026-09-05T00:25:01-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-exercise-weight.png?v=1788582301 Exercise is a poor way to lose weight — and the best way to keep it off A weight curve falling through a losing phase, then splitting into a dashed rebound and a held flat line. https://agen.com/en-int/blogs/news/sleep-inertia-morning-grogginess 2026-09-07T01:51:29-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-sleep-inertia.png?v=1788760289 Sleep Inertia: Why You Can’t Think for the First Twenty Minutes A curve of alertness rising after waking, with the first minutes marked in coral against a dashed daytime baseline. https://agen.com/en-int/blogs/news/is-soreness-a-good-sign 2026-09-08T01:16:35-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-doms.png?v=1788844595 Is Soreness a Good Sign? What Aching Muscles Actually Measure Two lines over four days: the ache peaking on day one and fading, and the loss of maximal force bottoming out on day two. https://agen.com/en-int/blogs/news/long-exhale-breathing-and-decisions 2026-09-08T23:20:52-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-long-exhale.png?v=1788923982 A Longer Exhale Calms You Down. It Also Changed What People Chose. A breathing ring split into a short inhale arc and a long exhale arc, labelled two in, eight out, six breaths a minute. https://agen.com/en-int/blogs/news/protein-timing-anabolic-window 2026-09-10T05:27:47-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-protein-timing.png?v=1789032467 Protein timing: the window that isn’t, and the meal that might be Three bars for a day's meals, with breakfast far short of a dashed outline showing where its protein should be. https://agen.com/en-int/blogs/news/muscle-memory-what-your-body-keeps 2026-09-11T02:46:10-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-muscle-memory.png?v=1789109170 Muscle Memory: What Your Body Actually Keeps Two lines over 36 weeks: myonuclei rise and stay level while fibre size rises and falls back https://agen.com/en-int/blogs/news/walking-cadence-vs-step-count 2026-09-11T02:48:53-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_ab6e1d98-d2db-46f8-83ff-3fbac21b41f0.png?v=1789109333 Eighty Steps a Minute Is Not Brisk: What the New Walking Study Actually Found A cadence scale in steps per minute showing that 80 steps a minute falls below the 100-per-minute moderate-intensity threshold. https://agen.com/en-int/blogs/news/contrast-therapy-sauna-cold-plunge 2026-09-12T01:36:41-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-contrast-therapy.png?v=1789191401 Contrast Therapy Feels Better. New Data Shows What It Costs. Two temperature traces through a two-round sauna: one continuous, one interrupted by a cold plunge and ending lower. https://agen.com/en-int/blogs/news/hearing-loss-and-cognitive-decline 2026-09-13T11:11:27-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_abfae442-5ea0-4480-bda1-d86abb4befff.png?v=1789312134 The drift you can’t hear The drift you can’t hear https://agen.com/en-int/blogs/news/who-decided-eight-hours-sleep 2026-09-13T11:12:55-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-eight-hours.png?v=1789312375 Who decided you need eight hours of sleep? Four nights drawn on one time axis: two laboratory nights, one night without electric light, and the eight-hour slogan drawn as an empty dashed outline. https://agen.com/en-int/blogs/news/lactate-is-fuel-not-waste 2026-09-14T04:25:07-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-lactate.png?v=1789374291 The Burn Isn’t Lactic Acid — and Lactate Isn’t Waste Diagram: lactate leaving a working muscle and travelling to the brain, heart, liver and other muscle fibres. https://agen.com/en-int/blogs/news/can-you-feel-your-own-heartbeat 2026-09-15T11:27:42-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_eecc9b8a-965b-4e2a-9b20-5f893bfc7944.png?v=1789486005 You can’t feel your heart rate. You remember it. You can’t feel your heart rate. You remember it. https://agen.com/en-int/blogs/news/pink-noise-and-deep-sleep 2026-09-16T00:50:01-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-pink-noise-deep-sleep.png?v=1789534105 Pink Noise and Deep Sleep: It Was Never About the Sound A brain slow wave with a coral burst marked on its peak, and a larger fluid wave following beneath it. https://agen.com/en-int/blogs/news/vegetables-first-food-order 2026-09-16T22:56:46-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_20f42503-67b3-4b8e-b068-09f7c23efad8.png?v=1789613806 Vegetables first: the trick works, but not the way it’s sold Two post-meal glucose curves, carbohydrate-first and carbohydrate-last, with the pooled 42.7 mg/dL gap at 60 minutes marked https://agen.com/en-int/blogs/news/diet-and-biological-age-four-weeks 2026-09-20T10:14:01-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-bioage_9466afbc-5e73-4bfe-8991-35cde07c3f2f.png?v=1789913641 A Diet Moved Their ‘Biological Age’ in Four Weeks. That’s Not Reversal. Chart of three diet arms, each about three years below a dashed no-change line, with wide confidence intervals https://agen.com/en-int/blogs/news/biological-age-four-week-diet-study 2026-09-20T10:17:57-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-bioage_9b04367a-a007-4c08-a851-17599334dcc8.png?v=1789913877 Biological age fell in four weeks. Read the authors’ own caveat. A steadily rising line for accumulated ageing beside a fast-moving line that drops sharply inside a highlighted four-week window. https://agen.com/en-int/blogs/news/where-the-risk-factor-came-from 2026-09-20T10:21:18-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-where-the-risk-factor-came-from.png?v=1789914078 Where the risk factor came from Timeline from 1912 to 2024 marking the fifty-five year gap between blood pressure being linked to mortality and the first trial proving that acting on it changed outcomes https://agen.com/en-int/blogs/news/how-close-to-failure-to-train 2026-09-21T12:30:53-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-failure.png?v=1790008253 How close to failure do you need to train? A curve of bar speed falling across the repetitions of a set, with the final repetition marked in coral at the point of failure. https://agen.com/en-int/blogs/news/fiber-protein-and-sleep-quality 2026-09-23T12:23:05-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-diet-sleep.png?v=1790180585 Your dinner moved your deep sleep by two and a half minutes Two overnight heart-rate curves across a night, one running slightly below the other, with the gap between them marked in coral. https://agen.com/en-int/blogs/news/history-of-220-minus-age 2026-09-23T13:23:00-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-history-of-220-minus-age.png?v=1790184180 220 minus age: the formula nobody derived Chart of predicted maximal heart rate falling with age: the dashed 220 minus age line against two newer equations and a shaded band of typical individual error https://agen.com/en-int/blogs/news/gut-bacteria-and-muscle-strength 2026-09-24T03:56:31-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-gut-muscle.png?v=1790236591 Can a gut bacterium make you stronger? Curved rod-shaped gut bacteria on the left, joined by a line to a chain of five evidence nodes, the fourth an empty dashed coral circle. https://agen.com/en-int/blogs/news/readiness-scores-what-they-measure 2026-09-24T03:59:37-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_600c5f77-d3dc-465c-a408-d328dc2cde99.png?v=1790236730 Readiness scores: the most confident number on your wrist A readiness dial reading 68, fed by heart rate variability, sleep and training load, with a dashed line marking where independent testing stops. https://agen.com/en-int/blogs/news/health-claims-on-food-labels 2026-09-27T03:12:21-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover_225d844d-6d13-45b9-9e51-960096788dd6.png?v=1790493130 Health claims on food labels: true sentences, missing paragraphs Diagram of a food package: the front shows one highlighted claim, the back shows a full nutrition panel where only the sodium line matches it. https://agen.com/en-int/blogs/news/warm-bath-before-bed-sleep 2026-10-02T06:55:53-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-warm-bath-before-bed.png?v=1790938553 A Warm Bath Before Bed: Heat Up to Cool Down A Warm Bath Before Bed: Heat Up to Cool Down https://agen.com/en-int/blogs/news/creatine-without-exercise 2026-10-02T06:56:42-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/creatine-without-exercise-cover.png?v=1790938602 Creatine Without Exercise: Read the 1.1 kg Slowly A container labelled lean, mostly filled with water, with a coral droplet falling in https://agen.com/en-int/blogs/news/jerry-morris-bus-conductors-exercise 2026-10-02T06:58:50-04:00 weekly https://cdn.shopify.com/s/files/1/0710/6746/8004/articles/cover-jerry-morris-busmen.png?v=1790938730 The Conductor’s Stairs: How a London Bus Gave Us the Idea of Exercise A simple double-decker bus with the conductor's stairs traced in coral, labelled with the 1953 rates: conductor 1.9, driver 2.7.