Why tying the knot is better for the heart, literally

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Believe it or not, tying the knot just may help strengthen your heart.

A study of more than three and a half million people found married couples have lower rates of heart problems than those who are single, divorced or widowed.

The researchers found the relationship between marriage and lower odds of vascular diseases is especially strong for people under the age of 50.

The percentage of married people had a 5% lower risk of any heart disease compared to people who are single.

Now, experts say this alone is not a reason to get married — but suggests doctors who have unmarried patients may want to pay attention to other heart risk factors.