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   biology      cells      hope      level      more      research      reversible      scientist      study      them  

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A lead explained how important his team's was. Professor Shai Efrati says the shows that the ageing process can be reversed at the cellular . He says we may be able to stop telomeres from shortening. Telomeres are inside . The shorter they become, the we age. If we can stop getting shorter, cells will not age. Professor Efrati said: "Today telomere shortening is considered the 'Holy Grail' of the of ageing. Researchers around the world are trying to develop [drugs] that enable telomere lengthening." He added: "The study gives , and opens the door for a lot of young scientists to target ageing as a disease."

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