Millions of girls world-wide suffer from anorexia. It is most prevalent in western nations, such as westenr Europe and the United States. In those areas, anorexia affects roughly 1 in every 250 people.
It is estimated that 1 in every 250 people is anorexic, but this only applies to welathy or middle-class regions. It is hard to get a world estamate, as there are too many people who are starving for...