Trichotillomania and excoriation disorder occur in 1 to 3 percent of children and adults, more commonly in females than in males.
Chances are that several students at your child’s school have either (or both) of these disorders, or perhaps another BFRB like teeth grinding, nail biting, or lip biting.
Though the scientific link between BFRBs and ADHD remains undetermined, anecdotal evidence suggests a connection.BFRBs are clinical disorders, but only trichotillomania and excoriation have their own standalone diagnostic classifications.
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