US scientists have found that the appearance of gray hair is associated with a violation of the mobility of the cells responsible for color.
Over the course of life, the distribution of color in the hair stem cells becomes uneven, which is why the hair begins to rapidly turn gray. The pigment accumulates and appears in the hair follicles.
However, you can become gray-haired not only from old age, but also from stress. Plus, the genetic factor plays a big role. It happens that 20-year-old girls and young people under 30 have a half-gray head.
In fact, gray hair is unpainted air cavities that remain unfilled with anything. Writes about it Sandpiper with reference to the scientific journal Nature.
Studies in mice have shown that age determines the activity of the follicle. Experts continue to work on creating a way to combat gray hair.
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