
3. Trichotillomania:
It is a psychological disorder in which there is a strong urge to pull one’s hair. It occurs in adolescence and adults. A joint study by researchers from The University of Chicago, US, Massachusetts General Hospital and Harvard Medical School, US, and The University of Cambridge & Cambridge shire/Peterborough NHS Foundation Trust, U.K , surveyed 10,169 adults aged 18 to 69 years, revealed that the average age of onset for females with Trichotillomania was 14.8 years.
