Some Emotions May Spur Urge to Pick or Pull at Skin, Hair, Nails

March 11, 2015 4:00 PM

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WEDNESDAY, March 11, 2015 (HealthDay News) -- Boredom, frustration and impatience can trigger chronic skin-picking, nail-biting, hair-pulling and other repetitive behaviors in some people, a new study suggests.

The University of Montreal researchers conducted experiments with 24 people who had these types of behaviors and a "control group" of 24 people without any of the behaviors.

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