* Science

Stress makes dogs go grey as well as humans - new study

   Two dogs, one greying Stress takes its toll on canines too, the study
   suggests Credit: Telegraph
     * Henry Bodkin
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   19 December 2016 • 7:35pm

   Going grey due to stress and anxiety is an inseparable part of being
   human, but new research suggests we are not alone.

--
   researcher

   In just the same way humans with stressful jobs acquire the “salt and
   pepper” look at a younger age, dogs who had undergone a harder life
   were found to have acquired grey hairs earlier than those with a more
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   Scientists involved in the study, published in the journal Applied
   Animal Behaviour Science, said they had long suspected stress
   manifested itself in this way, but that finding evidence for the theory
   had been challenging.
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   He added that there was hope for owners of anxiety-prone animals, as
   they could enroll their dogs on special training programmes to help
   them deal with stress better.

   In humans, grey hair is caused by the depletion of melanin, which is