Why do teenagers have white hair

summary

I just finished the college entrance examination in 2013. At this time, I began to pay attention to my image. I found a lot of silver threads in my hair. My friends said that this was caused by excessive brain use. Now when I think about it carefully, I think this method is very general. Why do teenagers grow white hair? Now let me share some of my opinions.

Why do teenagers have white hair

First, the color of our hair is determined by the number of pigment granules in the hair, and the pigment granules are related to the growth and development of papillary pigment cells in the hair root. Hair from black to white, this is because the function of hair pigment cells declined, when the decline to completely unable to produce pigment particles, the hair will be completely white.

Second: young people's long white hair is mainly due to mental factors, because if a person is depressed for a long time, he is often in a bad mood or a high degree of mental tension, and often due to overwork, his hair will turn from black to white. I'm an example of that.

Third: Youth long white hair is commonly known as "little white head", the reason is more complex, and genetic, physical factors, but also with the acquired factors. Acquired factors include: malnutrition, including lack of protein, vitamins and some trace elements (such as copper).

matters needing attention

The reason for teenagers' white hair may be due to excessive study pressure, resulting in excessive mental tension and fatigue. When the brain is in a state of tension for a long time, it will make our brain lack of blood supply, and the nutrition of the human body is provided by blood, so it will make our hair gray day by day.