This document discusses bulimia nervosa, including its causes, symptoms, and signs. It notes that bulimia is more common in teenage girls and young women, and may be caused by genetic, psychological, trauma, family, society or cultural factors. Key symptoms include binge eating large amounts of food in secret followed by purging behaviors like vomiting, laxative abuse, or excessive exercise to lose weight. Signs of bulimia include broken blood vessels in the eyes, dry mouth, swollen salivary glands, and cuts on fingers from induced vomiting.