Why do people grow gray hair, and why do people grow gray hair?

If these 3 places have long white hair, it is a hint of your health status, take a look!

Why do people have gray hair? You'll understand after reading it.

Why do people have gray hair? You'll understand after reading it.

The reasons for growing gray hair are as follows.

1. With the growth of age, the melanin contained in the hair will gradually decrease, when the hair with less melanin gradually replaces the original hair with more melanin, the hair first becomes gray, and then completely white, which is related to the decline of melanin function, heredity, endocrine, and autoimmunity.

2. There are many young people with "less white heads" who have gray hair before the age of 20, which is an obvious genetic factor. Gray hair is usually found on the temples, and then gradually appears on the top of the head, and the eyebrows and beard may also gradually turn white.

Because life is not good, very tired, and there are many happy times, and people are getting older, it will cause hair to turn gray.

Chinese hair is black, although many people will dye their hair in other colors, but black and bright hair is still the pursuit of most Chinese. It's just that some people have gray hair at a young age, why do gray hairs appear?

There are two causes of gray hair: congenital and acquired.

There are three reasons for the day after tomorrow: nutritional deficiencies, chronic mental stress and lack of sunlight. In addition, some ** diseases such as vitiligo can also cause gray hair.

Normal people generally start to grow gray hair at the age of 35, and if it appears early, it is best to go **. According to Professor Hou, the gray hair caused by congenital inheritance is difficult to treat, but the gray hair produced by acquired causes can be improved after **.

Gray hair refers to the graying of all or part of the hair, which can be divided into two types: congenital and acquired. Congenital gray hair tends to have a family history, with localized gray hair being more common, mostly in the anterior hairline. There are two types of acquired gray hair: senile gray hair and juvenile gray hair.

Some are elderly and frail and have few gray hairs, and gray hair occurs in children and adolescents, and there is often a family history, except for the increase in gray hair, it does not affect physical health. Some gray hairs that occur suddenly during adolescence are related to nutritional disorders. Mental factors can influence the graying of hair.

Gray hair can be a symptom of certain diseases such as progeria, vitiligo, etc.

There is currently no effective treatment for this disease**, and patients should be helped to treat the disease correctly and avoid stress and depression. Hair dye is a commonly used cosmetic product for people with gray hair, but it can cause hair dye dermatitis and should be used with caution.

Now, don't be afraid to grow gray hair, because you can dye black, red, and colorful.

However, not long after dyeing the hair, new hair grows out, and the ugly white hair "shuttles through", and the entire top of the head looks very **.

If you have money, you can dye your hair again, and if you don't have money, you can pull out gray hair. However, the gray hair can't be plucked, and the spring breeze blows and grows again, and some people can't help but wonder in their hearts: "There weren't so many in the first place, why are they growing more and more now?" ”

Will gray hair be plucked more and more?

The growth of black hair is mainly due to the formation of a cell called melanin in the hair roots. It is important to note that the key to the left and right hair color melanocytes is the hair roots, so no matter how you pull out the gray hair, it will not have any effect on the hair roots, and the gray hair will not increase.

The biggest factor in the production of gray hair is the stress of life and too much pressure. When a person is under pressure that he cannot bear at his highest limits, it will accelerate the graying of black hair.