Daily iron supplementation is recommended as a public health intervention in school-age children aged 60 months (i.e. 5 years old) and older, living in settings where the prevalence of anaemia in infants and young children is 40% or higher, for preventing iron deficiency and anaemia
The bones for the fingers and the toes are the phalanx.
I guess you could say eating disorders are common. In my opinion it just depends on the location one is in. For example, African villages don't get much food, therefore it's common over there. That being said, some long-term consequences may be hurting your overall health. Hope this helped!