Healthy eating is important for everyone -- it helps you maintain an appropriate weight, provides your body with the right mix of vitamins and minerals, and sustains energy. But healthy eating has another perk ... it helps promote male fertility.

Male infertility is the cause of roughly half of all infertility cases. And erectile dysfunction can affect a couple's sex life and strain a relationship. To maintain or improve sexual function and fertility, a heart-healthy diet is imperative. Healthy blood pressure and unclogged arteries equal an improved blood flow -- and when it comes to men, improved blood flow equals healthier sexual function.

Check out the gallery for seven foods that can help improve male sexual function. And for more on men's sexual health, visit AOL Body.