Impotence or erectile dysfunction affects millions of men across the world. Studies reveal that most men over the age of 40 are impotent at least part of the time. Impotence is said to be caused by anxiety, high cholesterol, obesity, diabetes, prostate cancer and hormonal imbalances. The most common feature of impotence is the erectile dysfunction which means an inability to get a good enough erection to achieve satisfactory intercourse. Younger males are particularly nervous about having sex, about causing a pregnancy or about the sexual intercourse. Common causes in this age group include are overwork, stress and guilt. Alcohol, nicotine and other drugs can be factors to cause impotence. Relationship problems and especially if a person is no longer keen on his partner may be one of the leading cause of impotence. Other common physical causes include exhaustation, deterioration of the arteries, smoking, excessive drinking, side-effects of of recreational drugs like cocaine etc. ...