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Then why there are certain individuals who have gray hair at a young age? The answer is simple, the possibilities it has to do with our parents. Not because they make you stressed, but rather due to genetic factors inherited from your mother or father.
Based on studies conducted by University College London and published in the journal Nature Communications, when you go gray at a young age then it should "blame" is your parent.
The researchers studied 6,300 residents of European hair type blooded Latin America and the people of mixed ancestry of Native Americans and African by comparing their genome. They found, premature graying European population has a gene that is believed IRF4 researchers as genes responsible for reducing the color of the hair follicle.
After analyzing the data, researchers concluded 30 percent of the emergence of gray hair is caused by genetic factors. While the other 70 percent are caused by environmental factors. The following environmental factors that are considered to influence the appearance of gray hair early, quoted from page Sheknows,
1. Smoking
Yes, smoking is not only bad for the health of the lungs and heart, but also the beauty of your hair. Studies in 2013 showed that smokers risk 2.5 times more premature graying.
2. Stress
Based on studies conducted in 2011 Nobel laureate Robert Lefkowitz pointed out, the energy used by the body to cope with the various problems of life can damage DNA, causing premature aging and gray hair.
3. Pollution
When you live in a metropolitan city that high exposure to pollution it will likely be faster your hair gray. The free radicals that arise due to pollution can damage hair follicles and cells are formed.
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