I would say hat now is the perfect time because peak bone mass happens at our age. Bone strengthening exercises are always good for your body no matter what, so encourage her/him to do it. I'm guessing the age is about 11-18 maybe...
Hope this helps... mark as Brainliest plz
Hi !
<em>Purging, excessive dieting, and excessive exercising are symptoms of </em>bulimia nervosa.
D. bulimia nervosa
