There are several causes of early graying.
Gray hair is the result of the process of bleaching hair due to the loss of pigments responsible for coloring hair in a certain color, resulting in hair is filled with air bubbles.
These pigments are called melanin, they produce specialized cells — the melanocytes. The function of melanocytes gradually regress with age due to the fact that hair follicles are found to be without the necessary nutrients and amino acids. As a rule, the activity of melanocytes decreases by 10-20% every 10 years after the age of 30. As soon as graying progresses, the melanocytes die off until it disappears entirely. As a result, the hair becomes silvery or yellowish-white shade.
In this case it was about natural, age-related aging. Recently, however, gray hair is often appears in women and men under the age of 30. This process can impact a wide range of factors:
Very often, gray hair, people appear approximately the same age as their mother and father. Also it depends on the natural color of your hair: early graying blondes and redheads.
2. Congenital or diseases
A large number of gray hair in his youth may be the result of congenital, viral diseases, chronic colds. Premature graying can be a sign of thyroid disease, gastrointestinal diseases, disturbances in circulation and other problems
3. Stress and frequent nervous breakdowns
Long-term depression, constant quarrels and mental disorders very detrimental effect on our health, including the condition of the hair cells. Due to the strong release of adrenaline in the blood, a person is able to turn gray in a very quick time, regardless of age.
4. Food with lack of vitamins and protein
The emergence of a large number of gray hair can be due to a diet that is deficient in protein, vitamins, and nutrients like folic acid, copper, iodine, iron, calcium, zinc.
5. Bad habits
On the condition of the hair is greatly influenced by lifestyle. In particular, the gray hair can cause Smoking and frequent consumption of coffee and salt in large quantities.
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