CNN Sanjay Gupta MD December 21, 2013 21:58:00
Commitment to getting healthier. >> look, i think you and i are similar in this way, and most people are, you have a goal and something that you're going to do with a community of people, it really puts the punctuation mark on this. let me put another punctuation mark, we know, i think, most people know that physical activity is good for you. it can reduce your risk of heart disease, but you may know that just this week we learned how much of an impact it can have. listen to this 2,000 steps a day, that's not very many, 2,000 steps a day according to a study that came out thursday is all it ta...