Anorexia, or anorexia nervosa, is an eating disorder marked by excessive weight loss, difficulty maintaining a healthy body weight, and fear of weight gain. Anorexia primarily affects women and tends to start in adolescence. It's estimated that up to 4% of women worldwide struggle with anorexia.

It can difficult for those struggling with anorexia to seek help, but speaking to a doctor is a critical first step given the serious health risks that can accompany anorexia. Therapy, certain medications, and strong support systems can all help you or a loved one who may be dealing with this condition.