A new book on willpower asserts that it's a muscle. That is, you can strengthen it with practice, and you can exhaust it with stress and overuse. This makes sense, and years of research back the idea.

While the plank is an excellent core exercise, several other options can strengthen your core. You can do these bodyweight exercises anywhere, and they don’t require equipment.

Bodyweight exercises are an effective way to improve strength, joint control, mobility, and core engagement without equipment.

Losing weight is extremely difficult because high-calorie, delicious food is very accessible. Despite best intentions, it’s common to wind up overeating. These setbacks can be frustrating and ...

Self-control is like a superpower that helps women navigate life’s challenges with grace and purpose. It’s the ability to manage impulses, emotions, and behaviors in ways that align with deeper values ...