Getting a Dog May Save Your Life, Especially If You’re Single

Swedish researchers found that people with furry friends, especially the unmarried, have fewer heart problems than those who don't.

Photographer: Sally Anscombe/Moment Select/Getty Images

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Having a dog can bring a lot of love into your life. It could also make it last a little longer.

A group of academics from Uppsala University in Sweden analyzed the health records of 3.4 million people in that northern European country, where databases contain detailed information on everyone’s hospitalizations, medical history and even whether they own a dog. Such detailed records made it relatively easy to suss out the impact of having a canine companion.