This prevents the smooth flow of blood into the penis resulting to impotence. Also the risk of getting erectile dysfunction increases with age. Some health condition like diabetes, heart disease and high blood pressure can cause erectile dysfunction. It also causes reduction in amount of nitric oxide released from head to penis. Erectile dysfunction also known as impotence is the inability to gain or maintain erection long enough to obtain sexual intercourse satisfaction.

It is estimated that about 120 million men around the world are suffering from erectile dysfunction, but only 10% to 15% men are seeking medical help. Also medications used to cure above problems can lead to sexual dysfunction. Nicotine causes reduction of blood in the bloodstream resulting heart to beat faster.

Excessive consumption of alcohol causes high blood pressure, diabetes and heart disease and high intake of calories saturating the arteries and. Physical cause can be anything that prevents the flow of blood to pass to the penis during sexual activity. Impotence can be caused due to any reason - physical or psychological. Cigarette fumes contain harmful toxic substances which blocks flow of blood to penis.

Diet containing high saturated fat causes excessive fat formation near the arteries and veins.