If you're having trouble with your self-control, this study says spending a little time exercising might be the solution. It’s funny how the instant you try to stick to a healthy diet, the more you ...

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.

Self-confidence is the foundation of a fulfilling life. When we believe in ourselves, we are more likely to take on new challenges, pursue our goals and maintain a positive outlook on life. However, ...