Childhood obesity is a serious medical condition that affects children and adolescents. Children who are obese are above the normal weight for their age and height. Childhood obesity is particularly troubling because the extra pounds often start children on the path to health problems that were once considered adult problems — diabetes , high blood pressure and high cholesterol. Many obese children become obese adults, especially if one or both parents are obese. Childhood obesity can also lead to poor self-esteem and depression. Body mass index (BMI) is acceptable for determining obesity for children two years of age and older. It is determined by the ratio of weight to height. The normal range for BMI in children vary with age and sex. While a BMI above the 85th percentile is defined as overweight, a BMI greater than or equal to the 95th percentile is defined as obesity by Centers for Disease Control and Prevention. It has published tables for determining this in children. ...