Something's Eating Your Child. It Could Be Junk Food. Does your kid grab food on the run? Does it seem as if your youngster could live on pizza and fries while guzzling juice and soda? Your child or teen may be carbohydrate addicted and suffer from a chemical imbalance that can lead to weight gain, mood swings, hyperactivity, even learning and behavior problems. Junk food, sweets, and even healthy high-carbo, low-fat foods can wreak havoc on insulin...