How is hair white: heredity + postnatal factors
summary
If you find out what you would do if you have a white hair, I will pull it off directly, which shows that we all don't like white hair. What's the reason for the white hair?
How is hair white: heredity + postnatal factors
First, it's genetic, because someone in the family or parents has this kind of gene, so it's passed on to their offspring, such as ShaoBaiTou.
Second: nutritional reasons, people with white hair often lack the necessary trace elements in the human body, the pigment particles in the hair must have copper, iron and other elements, if the lack of these elements, there will be white hair.
Third: for example, students and school teachers now assign a lot of homework. After the holidays, they have to go to cram school. Their parents have to ask for full marks in the exam. If they don't do well in the exam, they have to play. Under this heavy pressure, they are nervous and panic, resulting in vasospasm of hair supply, less melanin secretion and white hair.
matters needing attention
White hair grows on the top and back of the head, mostly caused by deficiency of kidney qi. The top of the head is the place where the governor vessel and Ren vessel pass through. Ren and Du vessels are most closely related to the kidney. Head long white hair, mostly due to lack of kidney qi. The part of the back of the head is near the Ren meridian, which is naturally related to the kidney. People with white hair on the top and back of the head should not only replenish qi and blood, but also pay attention to tonifying the kidney. They can usually eat more wolfberry and black sesame.