Human obesity may be caused by lack of "enzyme" : to avoid alcohol, tobacco, added enzyme

the researchers on the analysis of more than 20000 people, on the basis of genetic data, determine the genetic variability of 12 can lead to obesity. They then comparative analysis to the movement of respondents habits and actual weight. Results show that for a height of about 1.7 m people, if less movement, the gene variants, each one more obesity in weight will increase 592 grams, obesity also increases 1 times.

but if regular exercise, each obese gene variants will only add to 364 grams of weight, obesity is 40% lower than the former.