It's quite possible to live on a very low calorie diet[1] of 800 calories or less. In fact I've read about successful studies using only 300 calories per day.

It's quite possible to live on a very low calorie diet[1] of 800 calories or less. In fact I've read about successful studies using only 300 calories per day. [1] - http://en.wikipedia.org/wiki/Very_low_calorie_diet http://en.wikipedia.org/wiki/Very_low_calorie_diet