You likely felt inspired when you made that New Year’s resolution to get fit, but by mid-February your will may have waned. Here are tips to keep motivation on track.

Researchers found that adding just five minutes of moderate-to-vigorous daily activity can help you live longer.

Self-determination theory offered a new model of what a human being is. Behaviorists said motivation comes from outside, while SDT argued that the deepest motivation is intrinsic.

I came to think of understanding motivation in business as something more fluid than static, more an art than a science. But as a manager, when it comes to your own employees, it's definitely a puzzle ...