Dentists can stop children from becoming fat and may be the best weapon to fight rising obesity rates, researchers claim.
Teaching youngsters to avoid sugary snacks, that will wreak havoc on their teeth, will also help to battle bulging waistlines.
Poor oral health, caused by diets high in junk food, and large BMIs are inextricably linked, the study found.
This theory is put forward in a thesis from the Sahlgrenska Academy at the Swedish Institute of Medicine.
Children with the worst dental health regime tend to be the most overweight, said the study led by Louise Arvidsson, a registered dietitian and PhD student.