What causes alopecia areata?

summary

In our daily life, we will see some patients with alopecia areata, which not only affects their personal image, but also affects their body and mind. Alopecia areata is a kind of non cicatricial alopecia, which often occurs in hairy parts of the body, with normal local skin and no conscious symptoms. What causes alopecia areata? Next, I'd like to share my views with you.

What causes alopecia areata?

First, many people have mental trauma before alopecia areata, such as long-term anxiety, anxiety and sadness, mental tension and emotional uneasiness. It may also be related to nerve trauma, mental disorder, infection focus and endocrine disorder.

Second: alopecia areata will be accompanied by some autoimmune diseases. A medical study shows that there are T cell network disorder and humoral immune disorder in patients with alopecia areata. At present, alopecia areata is not an autoimmune disease, but it is associated with autoimmune diseases and temporarily effective on corticosteroids, suggesting that it tends to be autoimmune.

Third: studies have shown that about 10% - 20% of alopecia areata has a family history of inheritance, monozygotic twins at the same time in the same part of alopecia areata, and a family of four generations have alopecia areata, so it is considered to be a genetic defect disease, people with genetic allergic constitution are prone to alopecia areata. A study shows that the frequency of hla-a9 antigen in alopecia areata is significantly lower than that in normal people, which supports the genetic allergic factors of alopecia areata from the experimental point of view.

matters needing attention

To ensure adequate sleep, adequate sleep can promote the normal metabolism of skin and hair, and the metabolic period is mainly at night, especially between 10:00 p.m. and 2:00 a.m.