The study also shows obese children are also at risk for high blood pressure.
Despite more awareness and the creation on new programs, doctors say child obesity has nearly doubled over the last two decades.
One in three kids between the ages of 2 and 19 are overweight.
Doctors suggest limiting snacks and providing more fruit and vegetables.
Parents should also try portion control for the whole the family and create an exercise routine everyone can take part in.
But there are some encouraging signs.
For the first time in three years, a new Gallup poll shows that overall, the number of Americans at a normal weight outnumber Americans who are overweight.