Six Flights a Day: What the Stair-Climbing Study Really Measured
A meta-analysis of 480,479 adults put stair climbing back in the headlines this month. Read the exposure column...
Longevity & Supplement Guides
Evidence-scored guides to supplements, biomarkers, and daily protocols. Written the way we score our products: honestly.
Showing 26 guides tagged “Training”.
Three Weeks Off: What You Lose, and What Waits
Two to four weeks of inactivity cost eight trained men 12% of their plasma volume, 12% of their...
Cold Water After Training: What the Ice Actually Does
Cold-water immersion reliably reduces soreness for about a day, does nothing measurable to strength or power, and applies...
Who Extra Protein Actually Helps
A 2026 trial added 20 g of protein a day to twelve weeks of supervised lifting and measured...
Exercise and the Brain's Night Shift: What the Glymphatic Research Actually Says
A review this month put "exercise helps the brain take out the trash" into every feed. The mechanism...
No, You Don't Need 10 Hours of Exercise a Week
A new analysis was reported as saying you need 560 minutes a week before your heart benefits. That...
What Actually Builds Bone — And Why Most Exercise Doesn't
Bone is the one tissue we train that no device reads — and the exercise that helps everything...
Muscle Power Leaves Before Strength Does
Power — force produced quickly — declines about twice as fast as strength does, and appears to track...
Muscle Adapts Fast. Tendon Doesn't.
Radiocarbon dating says the core of your Achilles was built before you turned eighteen and has barely been...
One Workout a Week: What the New Trial Actually Prescribed
A randomised trial found that 75 minutes of interval training worked about as well squeezed into one day...
The Best Time of Day to Exercise — and Why the Studies Disagree
In six weeks this spring, three large studies each named a different best hour to train. The disagreement...
Training in the Heat: Why You Slow Down, and What Your Body Builds Instead
A heat wave makes your pace collapse and your heart rate lie. Neither is fitness loss. What heat...
