Vitamin D May Improve Your Athletic Performance
The No. 1 Way to Keep Metabolism Soaring Post-Workout
The Workout That Keeps Allison Williams Long, Lean, and Totally Gorgeous
More Is Not Better: Why 100 Reps Is a Bad Idea
Is It OK to Drink Wine on a Low-Sugar Diet?
Why as Many Reps as Possible Is the Best Way to Train
Go Ahead, Get High: The Surprising Factor That May Cause Weight Loss
Eat These Foods to Fall Asleep Faster
The Crucial Carbs For a Bikini Body
4 Fighting Moves From Keri Russell's Trainer
Are You Suffering From Secondhand Stress?
The Pilates Workout That Keeps Molly Sims Slim
The Shed-the-Sweater Workout
American Eating by the Numbers: What's Really in Your Food?
Feel Happier and Less Stressed in 24 Hours
The New Science of Getting in Shape
Why This Common Exercise Could Be Bad For You
7 Ways to Become a Better Runner Without Running
60 Seconds to a Slimmer Body
Are You Eating the Wrong Breakfast?
The Most Popular Fitness Workouts of 2013
Workout Recovery: The Best Way to Take a Rest Day
The 5 Healthiest Winter Fruits and Veggies
8 Celebrities' Top Trouble-Zone Toning Exercises