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.

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’ ...

Almost everybody faces self-control problems at some point in life. Shedding a couple of extra pounds, turning down the third beer of the night, exercising instead of sitting on the couch watching ...

PORTLAND, Ore. (AP) — Self-control. It helps you resist the urge to yell at your boss. It keeps you from eating a whole pint of ice cream. And you summon it up when you want a pair of shoes, TV or car ...

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, ...