#1 going to the restroom(to purge) immediately after a meal.
#2 erosion of the enamel
of the teeth from the stomach acid.
#3 finding emetic(vomiting
) agents in your childs room.
#4 weight loss in spite of seemingly adequate nutritional intake.
#5 a childs extraordinary focus on food and "weight gain
These teens are more likely female, & need psychological counselling immediately-life threatening.