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Search Of DNA In Dogs, Mice And People Finds 4 Genes Linked To OCD

Dogs may not wash their paws compulsively, but some humans and canines have similar genetic mutations that may influence obsessive behavior. (Photothek via Getty Images)
Dogs may not wash their paws compulsively, but some humans and canines have similar genetic mutations that may influence obsessive behavior. (Photothek via Getty Images)

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