The secret to how we age

Scientists from Cambridgeshire have discovered four genes that determine how fast we age.

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  1. Martin Stew

Scientists look for the secrets of youth

Scientists are trying to solve a question which some spend thousands trying to achieve - the secret of growing old gracefully.

Experts at The Sanger Institute in Cambridge have been looking at DNA changes in identical twins.

By comparing the siblings they found certain age genes that are switched on or off by environmental and lifestyle factors.

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