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Scientists identify genes which make you look 10 years younger

The researchers believe its presence can result in people looking up to 10 years younger than they really are

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Scientists have identified a group of genes that allow some people to look up to 10 years younger than their actual age.

Scientists at Harvard University and 23andMe, a private genetic database, studied 1 million people and found that 10% of white and 20% of black Americans carry the "genetic recipe" for youthful skin.

The researchers believe its presence can result in people looking up to 10 years younger than they really are, 'The Sunday Times' reported.

The genes, according to the researchers, fit into seven categories that govern functions such as DNA repair, the maintenance of the junctions between skin cells, and the performance of the skin's barrier against damaging environmental factors.

Another category covers the production of elements in the skin called lamellar bodies that produce lipids, molecules containing fats, waxes and nutrients that help to keep the skin moist.

"Many of us felt that people with darker skin aged better because of more pigment and better photo [sunlight] protection, but we have found there is much more to it than that," said Alexa  Kimball, professor of dermatology at Harvard Medical School and a member of the research team.

"They have other characteristics in their skin which confer good ageing, which until now we had no idea about," Kimball said.

The findings of the study will appear in a series of publications, including the International Journal of Dermatology, later this year. 

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