How Your Body Does (and Doesn't) Adapt to Cold
Unlike heat training, repeated exposure to cold doesn't necessarily help you handle winter weather better
Health Archive
Lodge Closed? These Are Our Editors' Go-To Ski Lunches.
A dietitian weighs in on our favorite packable midday meals
Will Major Marathons Actually Come Back This Fall?
Signing up for a race right now is a weird mix of optimism and being in denial
Is Fast Food Healthier When It's Plant-Based? That Depends.
Alternatives to animal products aren't necessarily better for you
The Big Data Behind a Once-a-Week Strength Routine
A new study plots the progression of thousands of people following an ultra-minimalist training plan. The results are impressive—at least initially.
Testing Whether Fast Kids Make Future Champions
Winning races when you’re young may seem like a good predictor of future success, but it’s not perfect
Should Men and Women Race the Same Distance?
Several British stars, including Paula Radcliffe, recently spoke out against an initiative to equalize cross-country distances for male and female athletes. The debate is more complicated than it seems.
How to Train Power for the Lower Body
Demystifying one of the most important yet often misunderstood fitness qualities
My Family Fights over This $9 Foam Roller
My partner and I use the LuxFit daily
The Physiology of the Finishing Kick
If even pacing is so great, why do the best runners in the world always seem to have another gear at the end?