Based on research from Harvard T.H. Chan School of Public Health, estimates. When it comes to staying fit, discipline is as ...

Plus, exactly how to get results from whatever activity you love to do.

Walking can also be a heart-pounding, calorie-burning workout that helps fight inactivity and its related metabolic diseases.

Here's how to optimize your workouts and lose weight sustainably.

Avoid this mistake by regularly injecting variety into your walking routine, which you can do by varying the terrain, ...

Strength training isn’t just about building muscle—it's one of the most effective ways to lose fat. Try 9 exercises to burn calories and boost metabolism.

Forget crash diets and other fads: we spoke to experts for advice on safe, scientific approaches to meeting your weight goals.