Is gray hair hereditary?

Some people have white hair at a young age, which is a type of premature graying of hair. Some are inherited from the previous generation, while others are inherited directly. Premature graying of hair is a recessive genetic disease. It may not appear in the parents, but it may appear in the children, and not in the children's children. It may appear in the grandparents and grandchildren. These all need to be diagnosed through examination.

Premature graying of hair is a recessive trait, which means it is passed down from generation to generation. There is no statistical data on the inheritance probability yet.

What determines hair color is the amount of pigment particles in the hair, which is related to the development and growth of pigment cells in the hair root papilla. When hair turns from black to white, it is generally due to the decline of the function of the hair pigment cells. When they decline to the point where they can no longer produce pigment particles, the hair turns completely white. In normal people, hair pigment cells begin to decline from the age of 35. Some people have white hair in their 20s, which is medically called juvenile graying, commonly known as "premature graying".

The causes of premature graying of hair are rather complex, and are related to both genetic and physical factors as well as various acquired factors. Acquired premature graying of hair. There are many causes: malnutrition, such as lack of protein, vitamins and certain trace elements (such as copper), can cause hair to turn white; some chronic wasting diseases such as tuberculosis, due to nutritional deficiencies, hair turns white earlier than normal people; some patients with long-term fever have yellow and brittle hair or even turn white and fall out; some endocrine diseases,

Guidance:

For example, diseases of the pituitary gland or thyroid gland can affect the ability of pigment cells to produce pigment granules and cause premature graying of hair. Encephalitis and nervous system diseases can also cause hair to turn white. The skin, hair, and eyebrows of people with albinism are all white. Vitiligo, a skin-whitening disease, can also cause the hair to turn white if it occurs on the scalp. Some people also believe that the more you use your brain, the earlier your hair will turn gray. Some young people have a lot of white hair in a short period of time, which is related to severe mental trauma or mental fatigue such as excessive anxiety and sadness.

Causes of premature graying of hair

What determines hair color is the amount of pigment particles in the hair, which is related to the development and growth of pigment cells in the hair root papilla. When hair turns from black to white, it is generally due to the decline of the function of the hair pigment cells. When they decline to the point where they can no longer produce pigment particles, the hair turns completely white. In normal people, hair pigment cells begin to decline from the age of 35. Some people have white hair in their 20s, which is medically called juvenile graying, commonly known as "premature graying".