Health problems that seem unrelated to men's fertility — like diabetes or high blood pressure — may damage men's sperm. And men can take steps that can both improve their overall health and make them more fertile.

Though men who have vascular erectile dysfunction appear to be at a higher risk of developing cardiovascular disease, that doesn't mean ED alone should be considered a risk factor.

There are many ways to keep your heart healthy. Is sex one of them and is sex even considered exercise? As people get older sex might seem like it’s too strenuous for the heart, but is it?