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Alopecia or hair loss is the medical description of
premature hair loss from the head or entire body, sometimes to the extent of
baldness. Unlike the typical aesthetic depilation of entire body hair,
alopecia is commonly involuntary and unwelcome, e.g., androgenic alopecia.
However, it are often the result of a psychological compulsion to pull out
one's own hair (trichotillomania) or the unforeseen consequences of
voluntary hairstyling routines.
Sometimes, alopecia is an indication of an underlying medical concern, such
as iron deficiency.
When hair loss happens in only one section, it is known as alopecia areata.
Alopecia universalis is when complete hair loss on the body happens, similar
to how hair reduction associated with chemotherapy sometimes affects the
entire entire body.
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