There's an old joke that says men die earlier than women because women nag them into the grave. Not quite.

It's a well-known, scientific fact that women can expect to live longer than men, but have you ever wondered why?

According to researchers at the University of Southern California, the answer is pretty simple- men are just more at risk for heart disease.

We're not talking about bad habits because they don't seem to matter. Regardless of stuff like smoking and eating unhealthy foods, men are just more likely to have to deal with heart problems.

With that in mind, if you’re interested in adding a couple years to your life, it might be time to cave into the nagging and start mixing in a jog or a salad here and there.

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