Burning more calories than you consume is the only sure-fire way to lose weight, and one US man took this idea to the extreme by only eating junk food for 30 days – provided it was under his daily caloric limit. read more
Secondly, yes it is possible to eat foods labelled as junk and not gain weight. The point is weight loss or gain is controlled only by the equation of Calories in vs Calories out. However, these foods you are referring do not have nutrients in proper amounts, so you can live healthy by eating only them. read more
"Firstly this [man who only ate junk food for 30 days and lost weight] is a really good example that a weight-loss diet and a healthy diet is not necessarily the same," says Gudorf. read more