'I resolve to eat less food' sounds good in theory, but it's often hard to sustain. And if you believe that it's all willpower, then you're likely to be upset with yourself if you don't succeed.

As a veteran of the diet wars, I think it's time to call a truce. Rather than hear experts argue, most people want practical information they can use.

Parents and kids know they should pass up the fries for an apple and exchange the video game for a game of tag - but knowing and doing are certainly different things.

Too much power in any institution tends to stifle innovation.

There is often a simplistic view that HDL is good, so that anything that raises HDL is good for you, and anything that lowers it is bad for you. Nothing could be farther from the truth.