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Dog ownership may boost longevity, cut risk of heart disease

An analysis of more than 3.4 million individual health records in Sweden showed that adults who had a dog were less likely than their dogless peers to die during the 12-year study, and among people who lived alone, those who had a dog were less likely to suffer from cardiovascular disease. Dog owners tend to be physically active, and having a dog might increase well-being and social contacts or introduce beneficial organisms to the owner's microbiome, researcher Tove Fall said.

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