The condition, also known as "hair-pulling disorder," involves recurrent, irresistible urges to pull out hair.

Olivia Munn is sharing that she lives with a health condition not many people know about. Munn spoke about her experience with trichotillomania – a mental health condition that “involves frequent, repeated and irresistible urges to pull out hair from your scalp,

Olivia Munn has spoken about her struggle with Trichotillomania, a disorder causing hair pulling, and linked it to a paparazzi incident with Chris Pine.