Trichotillomania is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Trichotillomania, or a subtype of Trichotillomania, affects less than 200,000 people in the US population.
16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the prevalence and/or incidence of Trichotillomania.
Source: The 5-Minute Pediatric Consult, 2008
The term 'prevalence' of Trichotillomania usually refers to the estimated population of people who are managing Trichotillomania at any given time. The term 'incidence' of Trichotillomania refers to the annual diagnosis rate, or the number of new cases of Trichotillomania diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.
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