Teen eating disorders can affect both males and females of all ages and include conditions like anorexia nervosa, bulimia nervosa, binge eating disorder, and OSFED. They can cause serious health issues like slow heart rate, osteoporosis, muscle loss, and hair loss. Parents can help teens suffering from eating disorders by reflecting on their own attitudes towards food and body image, encouraging positive communication over threats, enrolling their child in therapy, setting goals and promoting self-esteem.