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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Increasing cloud and rain overnight. Blustery and cold tomorrow.
Events are taking place in Cambridge, Norwich, Colchester, Southend and Lowestoft today, to mark Holocaust Memorial Day.
Cloud will increase through the day with rain arriving by dawn.