Causes
There is still less research regarding causative factors of greying of hair. But some facts are well known like:
● Stress: stress leads to overproduction of some hormone that leads to depletion of melanocyte stem cells which are melanin producing cells. For the same reason of stress, the prevalence of greying of hair has increased since before.
● Deficiency of vitamin B12 and iron
● Chronic protein loss, copper deficiency
● Vitamin D Defeciency
● Smoking
● Chronic sunlight exposure
● Genetic factors
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