Health and Science: Mutations between species provide clues to aging

  • By James Gallagher
  • Health and Science Correspondent

photo credit, Getty Images

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The study shows that dogs’ DNA mutates five times faster than their owners’ genetic code.

According to a study, the lifespan of animals is related to the mutation rate of their genetic code.

Researchers have found that mammals – from tigers to humans – have about the same number of mutations when they die of old age.

But short-lived animals tend to exhaust their allotment faster, according to analysis of 16 species.

According to the researchers, this discovery helps explain why we age and sheds light on one of cancer’s most complex mysteries.

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