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People who live past 105 years old have genes that stop DNA damage

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Genes that limit DNA damage may help people live past 105

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People who reach a very old age may have their genes to thank. Genetic variants that help to prevent DNA mutations and repair any that do occur have been found in supercentenarians and semi-supercentenarians – people who reach the ages of 110 and 105, respectively.

“DNA repair mechanisms are extremely efficient in these people,” says Claudio Franceschi at the University of Bologna in Italy. “It is one of the most important basic mechanisms for extending lifespan.”

Damage to DNA happens throughout our lives. It has many causes, …