Study finds boredom, not stress, drives hair-pulling disorder

A recent study challenges the belief that stress and anxiety are primary drivers of trichotillomania, a compulsive hair-pulling disorder. Researchers at Heidelberg University Hospital found that boredom and strong hair-pulling urges are the main factors contributing to the behavior. Over a 10-day period, 61 adults with trichotillomania were monitored, with daily alerts prompting the participants to record their emotional state, urge strength, and hair-pulling activity.

The urge strength was the strongest predictor of hair-pulling episodes. Boredom emerged as a significant trigger, while fatigue increased urges but did not directly predict behavior. Negative emotions like anxiety, anger, and stress were linked to stronger hair-pulling urges, but positive emotions were associated with weaker urges.

The study suggests that trichotillomania may not be primarily about emotion regulation and that low levels of stimulation or energy may play a role in some episodes. This finding challenges the notion that trichotillomania is solely an emotional disorder and implies that there could be subtypes of the disorder with different underlying factors.