vious nonsuicidal self-inj ury did not respond to cognitive-behavioral therapy,  and by a study
that found that nonsuicida l self-injury is a predicto r of substance use/misuse. 
Trichotillomania (hair-pulling disorder). Trichotillomania is an injurious behavior con-
fined to pulling out one’s own hair, most commonly from the sc alp, eyebrows, or eyelashes.
The behavior occurs in “sessions” that can last fo r hours. It is most likely to occur during a
period of relaxation or distraction.