Study: Owning a dog may help maintain healthy heart

Dogs are true life-savers, and not just for their unconditional love.

A new study found that owning a pet, especially a dog, may help maintain a healthy heart.

One reason is that dog owners get a lot of exercise, and usually have a healthier diet.

Researchers also say pets reduce stress and increase socialization.

The study was published Friday in the journal, 'Mayo Clinic Proceedings.'

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