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AGEING GENES: Researchers have unlocked part of the secret to youthful looks by identifying a gene variation which is linked to how old people are perceived to be.

Having a variation of the MC1R gene could mean a person looks around two years older than they actually are.

The study, published in the journal Current Biology, found those who carry the “homozygote MC1R risk haplotype” looked on average up to two years older than non-carriers.