classified as a pulse control disorderthe key age of onset is between 9 and 13 years
Causes of the development of trichotillomania
there is no specific cause for trichotillomania. 
The mismatch that may exist is mainly the neurotransmitter serotonin.
- Genetics : some researchers think that they can be hereditary.
- Environmental : as tension or depression.
- Bacterial infection like streptococcus.
Symptom
tend to tear their hair recurrentlyfeel pleasure and gratification
do not usually pull their hair in front of more peoplemay suffer from mood or anxiety disorders,
How is trichotillomania treated?
medications focused on reducing episodes of excessive anxietythe treatment of choice for tricolitomania is cognitive behavioral therapyinclude the inversion of habit,meshes that are placed in the hair to cover the area affectedis advisable to request medical or psychological help