Lanugo
From W8MD weight loss and sleep centers
Lanugo is a type of fine, downy hair that can cover the body of a developing fetus. In some cases, lanugo may persist after birth and can be a sign of an underlying medical condition. In adults, the presence of lanugo can be a symptom of an eating disorder like anorexia nervosa, which can cause a person to lose an unhealthy amount of weight and develop excessive body hair. Treatment for eating disorders may involve a combination of therapy, medication, and other forms of support.
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