Harvard Heart Letter

Why dog owners seem to have healthy hearts

Research we’re watching Having a dog often means taking daily walks, a habit that helps stave off heart disease. But that might not be the only reason dog owners have healthier hearts, according to a new study. The nearly 1,800 participants had no history of heart disease in 2013 when the study began. Researchers scored them based on the American Heart Association’s “Life’s Simple 7” factors: body mass index, diet, physical activity, smoking…

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