This document discusses eating disorders, their causes and effects. Eating disorders most commonly onset during adolescence and mainly affect adolescent girls. They are associated with many health risks and have high mortality rates. Current treatment options are lacking with less than 50% recovery rates. Eating disorders like anorexia nervosa and bulimia nervosa are influenced by biological factors, familial influences, personality traits, and psychological processes. More research is needed to better understand and treat eating disorders.