IT'S A NEW YEAR, and so far, you're sticking to your resolution to adopt a fitness routine and get in shape. Dropping those few extra pounds put on over the holidays is the perfect incentive. But now ...

Habit change is possible, but it hinges less on willpower and more on how the resolution is structured, how goals are set, and whether realistic, sustainable changes replace the old ones gradually.

For the new year, I'm going to eat better. How many times have you said that? But this year, you can do it. The thing is, eating "healthy" doesn't always mean the same thing. Sometimes it's refraining ...