Here are the top 10 topics visitors are searching. Heart Disease 8. Although some doctors used to believe differently, most researchers and doctors now believe that a majority of men suffering from ED have physical causes.
Psychological counseling can be helpful, however, if the impotence is related to emotional factors.
Certain medications can also be the culprit. In turn, the amino acid arginine is needed for nitric oxide formation. In aging rats, arginine supplementation increases nitric oxide levels and improves erectile response. In a group of 15 men with erectile dysfunction given 2,800 mg arginine per day for two weeks, six were helped, though none improved while taking placebo. Although little is known about how effective arginine will be for men with erectile dysfunction or which subset of these men would be helped, available research looks promising and suggests that at least some men are likely to benefit.