What is the reason of alopecia areata?

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I am a senior high school student. When I went for a haircut not long ago, the barber said that there was alopecia areata on the back of my head, that is, there was a place without hair on the back of my head. The barber also took a mirror to look at me, there is a place in the back of the head is missing a pinch of hair. So what's the cause of alopecia areata? Let's understand it now.

What is the reason of alopecia areata?

The main pathogenic factor of alopecia areata is heredity. About 125% of alopecia areata patients have familial history of alopecia areata. In addition, some nerve trauma, mental disorders and infection are also the causes of alopecia areata. There are alopecia areata and endocrine disorders.

Some mental factors have been considered as an important cause of alopecia areata. For example, some people may have mental trauma for a long time before the onset of alopecia areata, as well as long-term mental anxiety, anxiety, sadness and mental tension. These phenomena can increase the risk of alopecia areata.

In the view of traditional Chinese medicine, alopecia areata is closely related to the deficiency of liver and kidney, because the deficiency of liver and kidney will lead to the deficiency of blood essence, which directly leads to the thinning of hair, so in the treatment of traditional Chinese medicine alopecia areata, it is common to use some kidney tonifying and liver nourishing Shengfa pills.

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At the same time, modern medical research believes that the incidence of alopecia areata is closely related to genetic allergy. About 20% of the people have alopecia areata due to genetic allergy. In addition to alopecia areata, these people are also favored by asthma, allergic dermatitis and allergic rhinitis.