http://www.time.com/time/printout/0,...914857,00.html
Personally, I think it is another cop out for people to justify not exercising.
Golly gee..ya mean if I run 3 miles I CAN'T have a pizza ?!?!!
DUH!
"More calories out and less calories in" is how to lose weight at its most basic level. Pretty simple overall.
More than weight loss, exercise is important for overall health. Many people who are otherwise thin have no muscle tone and a higher body fat percentage than people who may be larger and exercise regularly.
Anyway... if you can't guess it, I disagree with this article.