Many people think that stress is the cause to turn hair to
the gray color. In fact, it could be one of the causes but not the main. In addition,
there is no scientific evidence until now. The main cause is that the hair follicles
( that produce the melanin that responsible for give the color to the hair )
start to make less melanin than before and this is one essential stage of the
hair natural cycle when the person become older. Then these follicles totally
die so hair stars turning in gray. This stage
start to appear after age 35; however, some people have gray hair when they are
still young in their early 20 and this condition medically called canities.
Probably,
the main cause of this hair color changing could be genetic. Moreover, there
are some other factors might cause the hair color changing in early age. For example, gray
hair in young people could be indicator for some illnesses or health problems
such like Vitamin B-12 deficiency, Neurofibromatosis, Tuberous sclerosis, Vitiligo
and Alopecia areata. Some researches show that the gray hair might be an indicator
for heart diseases or osteopenia. In addition, smoking could increase the chances
to get gray hair in young age.
In conclusion, the main reason that play a role in turning the
hair to gray or white in the young people is genetic more than any another
factor like stress for example, and to check your situation you have to know your family history and when the gray hair started
to appear in your parents because you can inherit the gene that responsible of turning the hair to gray from your parents or grand parents.
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