Could you tell me what type of effects would anorexia pose to a growing girl?

Delayed menarche: Menstrual period onset may be delayed bone growth and strength may occur, leading to a risk of osteoporosis.

Deadly Disease!: Anorexia ravages your bones, skin, brain and heart. One in five girls die from the disease. Please get her help with a psychologist and reputable center! One typical profile in an anorexic girl is one (sometimes two) controlling parent. Investigate this in your group therapy and gain insight into the family dynamic. Parental control issues (especially around meals) will spiral her disease.