Obesity in children is caused primarily by genetic factors, congenital, the risk of obesity in children increased by 4 times if one of the parents of obese children and will increase 8 times if both are obese. Mac Donald's, Kentucky Fried Chicken and Burger King is one of the main causes leading to obesity but has great attraction for children and a large number of people because of the convenience and reasonable of all time .so its money and the amount of fat in the chicken pieces in the store are a lot of fast food and the people who eat it, the number of unnecessary fat will build up and cause obesity that phi.dieu will affect a lot of children
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