You are what you eat

Turns out weight loss is simple math. If calories in are less than calories out, you lose weight. Easy peasy, right?

This science teacher from Iowa proved the idea using McDonalds. And while I wouldn't want to take on this experiment myself, I was impressed. What a cool teacher. And what great proof that anyone can lose weight without crazy diets or insane exercise routines. 

http://screen.yahoo.com/popular/science-teacher-gets-surprising-results-122737570.html