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.

These are comments I might get when people learn about my lifestyle. I’m one of those annoying people who eat lots of fruits and vegetables, exercise five times a week, save a portion of their salary, ...

Exercise, in general, is one of the best things you can do for your health: It strengthens your heart and lungs, boosts mood and cognition, and lowers your risk of a bunch of diseases, including type ...

A scientific squabble over how to define self-control draws from an unlikely source: A story from Greek mythology. Sailing home to Ithaca after the Trojan War, Odysseus longed to hear the Sirens’ ...