Is the sudden increase of white hair old? be careful! It may be that the body lacks these four nutrients
2022-07-07
Looking at myself in the mirror a few days ago, I found that there were several white hairs growing in an obvious position, so I wanted to pull them out. But the family refused, saying that people with white hair are not prone to cancer. Is that true? People with white hair are not prone to cancer? Illogical. In fact, all parts of the body have melanocytes, and the causes of malignant transformation are also very complex, so the formation of white hair is more complex. There is no such conclusion as the so-called white hair is not easy to get cancer. There is no direct connection between white hair and cancer. Why do you grow gray hair? One reason why people grow gray hair is related to age and other physical factors. We need to see why their hair turns white. Hair whitening starts from the hair follicles in the scalp. Tyrosinase is a cell rich in melanin in hair, which is the reason why hair turns black. With aging, tyrosinase activity will decrease, and melanocytes will decrease, and hair will turn white, so gray hair itself is a very normal aging phenomenon. But there are also some people whose hair turns white early, which is related to genetic, genetic, mental factors, tyrosinase defects, and even some chronic consumptive diseases. In the January 2020 issue of nature, mice with dark and bright fur were used as experimental models to test the effects of different pressures on mouse hair. The study found that stress can cause the sympathetic nerve to release norepinephrine, which is absorbed by nearby pigment regenerative stem cells, resulting in excessive activation of stem cells. All stem cells are transformed into pigment producing cells, which prematurely depletes the "inventory". Once all the stem cells that can regenerate pigment disappear, they can no longer produce pigment. This damage is permanent. In Petri dishes, norepinephrine also promotes the proliferation of stem cells of human melanocytes, which also means that human hair turns white under pressure, possibly through the same physiological mechanism. Can white hair turn black? If the hair has clearly turned white, it is difficult to turn white hair into black hair again, because the appearance of white hair indicates that the pigment stem cells of hair follicles have been exhausted, which is difficult to reverse. If you find white hair, you can first analyze the reason, whether it conforms to the law of aging, whether it has been under too much pressure recently, or there is a problem with diet. Why does white hair suddenly increase? The sudden increase of white hair may be due to the lack of these four nutrients. 1. Trace elements copper and iron: important raw materials for the synthesis of melanin Hair follicles need to absorb iron and copper in the human body to synthesize melanin, which can make people's hair dark and shiny and look young. However, when these two trace elements are lacking, the nickel content in hair will increase a lot, and the color of hair will change from black to white. Supplement: black fungus, animal liver, red meat, sesame, nuts and other foods. 2. Protein: raw material of hair Compared with the former, the problem of protein deficiency is more likely to cause people to have white hair, hair loss and other problems. We should know that protein is one of the main raw materials of hair, which can help the human body synthesize sufficient keratin. If people are picky and partial eaters for a long time, it is likely to make the human body lack protein and more prone to malnutrition and other problems. This kind of people will not only have white hair due to malnutrition, but also have the problem of hair yellowing, bifurcation, dryness and even hair loss because the protein in the human body cannot maintain the growth of hair. Supplement: eggs, milk, fish, beef, etc. 3. Iodine: promote hair growth As a necessary nutrient for the thyroid to maintain its function, iodine can also promote the growth of hair. In inland areas of China, iodine deficiency may lead to the decline of hair follicle function. Even if there is sufficient nutrition supply, melanin cannot be synthesized for the human body to maintain black hair, and women's hair may suddenly turn white. Supplement: iodized salt, laver, kelp, etc. 4. Vitamin B family: important metabolic substances Among vitamin B family, B2, B3 and B5 are nutrients that are very helpful to improve white hair. When the human body is vegetarian for a long time, or is affected by diabetes, hypoglycemic drugs, etc., which leads to vitamin B deficiency, it may also make women's hair suddenly turn white. This is also caused by the reduction of melanin after the reduction of vitamin B group. Supplement way: it is suggested to improve white hair by supplementing vitamin B family. Supplement vitamin B, focusing on a balanced diet. Vitamin B group is higher in whole grains, green leafy vegetables, dairy products and animal liver. [tips] In life, if you find that white hair increases, you should appropriately reduce your pressure, so that people can become young psychologically and physically; Balanced diet; At the same time, pay attention to the sun protection of your hair. Wearing a hat or a sunshade when you go out can also protect your hair and help reduce the occurrence of white hair. (outlook new era)
Edit：Yuanqi Tang Responsible editor：Xiao Yu
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