Some people eat large amounts of food without adding any kilogram, while others healed many, only if they eat just a little.
Eating large amounts of food without value, it kills all the beneficial bacteria in the stomach, which help the body to not adding excess weight.
In the human body are around 1,500 species of bacteria - in fact, if you meet all these, can weigh up to half a kilo.
Researchers from King's Collage London have discovered that if eating peanuts for ten days, 1,300 die of these bacterial species.
Reason why someone adds more weight, is to lack of bacteria that fight obesity, leaving the human body went towards fattening.