Actress Olivia Munn has revealed that she has a rare anxiety disorder called trichotillomania. Trichotillomania is an extreme form of anxiety that causes one to pull out hair from the scalp, eyebrows or eyelashes, possibly leaving bald spots, according to the Mayo Clinic. 

International Business Times by Maria Vultaggio

Tags: anxiety disorder, Celebrity Patients, International Business Times, Olivia Munn, Psychology and Psychiatry, trichotillomania