The phenomenon of gray hair becoming more and more, the main consideration is related to physiological factors, but also may be related to pathological factors, such as vitiligo, certain malignant diseases, hereditary diseases or psychiatric disorders and so on.
1. physiological factors: for example, the elderly gray hair increase, with age, melanocytes in the tyrosinase activity progressive regression, so that the hair shaft pigmentation disappears, is a normal physiological phenomenon.
2. Pathological factors:
(1) Vitiligo: Vitiligo will appear in the scalp skin pigmentation loss spots, local lack of black cells, resulting in hair whitening.
(2) malignant diseases: such as pernicious anemia, malignant tumors and other diseases may lead to severe malnutrition, resulting in increased white hair.
(3) Hereditary factors: such as albinism, juvenile albinism and other hereditary diseases, which may lead to the manifestation of increased gray hair in patients.
(4) Psychiatric diseases: severe depression, anxiety and other diseases may cause serious psychosomatic diseases, affecting the immune system, endocrine system and nervous system and other metabolisms, inhibiting melanin production, and then appearing the phenomenon of increased gray hair.
(5) Other factors: such as X-ray irradiation, hair dye damage to the hair follicles, may also inhibit melanin production, the phenomenon of increased gray hair.
After excluding physiological factors caused by gray hair, it is recommended that patients go to the regular hospital in time, under the guidance of the doctor’s clear diagnosis, to be targeted treatment.