At some stage in our lives, both men and women will experience the on set of Gray Hair. Contrary to popular belief it's not always related to one's age. Grey hair can occur as young as in our teens and range into our late 50's and even older.
Everybody is different but the pigment of our hair is generated in the same way. The cells our follicles called "Melanocytes" generate pigments the main one being Melanin. This gives it its "Color". When these Melanocytes stop producing the pigment the result is a transparent hair. This against your healthier darker hair gives the appearance of Grey. In reality not Grey but transparent.
The main reason for our hair behaving this way is heredity. If your mom or dad started going Gray at a young age then the chances are you may also suffer from premature Gray hair. This is not always the case. Age does play a large part in the graying process. The pigment in the hair shaft is generated from cells at the base of the root of the hair and as we get older these cells start producing less pigment until there is no pigment at all and we end up with the transparent hair.
Grey hair can also be the result of a medical condition. If you are deficient in B12 or suffer from a thyroid imbalance it can also cause your hair to go Grey.
The sudden appearance of Grey is not due to psychological shock or trauma. Studies have shown that if this does happen then it's typically due to Alopecia areata. What happens here is that the thicker, darker hair stop growing before it effects the growth of gray hairs, giving the impression of Grey overnight. Alopecia areata eventually causes round shaped patches of hair loss or complete hair loss.
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