Smoking increases the chances of erectile dysfunction by about 50%.

Putting another nail in the ol' coffin. Overtime, this narrowing can become so severe that erections become impossible. Nicotine also affects the arteries that go to your penis, causing them to narrow which results in less blood flow and overall pressure. In order to get a rock hard erection, all of your valves and pumps need to be tip top shape. Well, here is another reason to quit smoking those smelly cigarettes. These problems down under can also be a warning of worse things to come.

That is right, aside from giving you cancer of the mouth, throat and longs, hypertension, chronic lung problems and ashtray breath, cigarettes can actually make it a lot harder for you to get it up and keep it up. Still sucking on those cancer sticks.

As your veins and arteries continue to incur damage, other blood flow problems to slightly more vital organs such as the heart. Erections happen because of blood flowing to the penis.

Smoking can damage blood vessels causing them to degenerate.