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Erectile Dysfunction At A Glance: New research is ongoing in the field of erectile dysfunction to find more improved and effective therapies. How Do Sexual Problems Affect Men? The most common sexual problems in men are ejaculation disorders, erectile dysfunction and inhibited sexual desire. Find discount viagra online cialis online bestellen ohne rezept cialis online How common is erectile dysfunction? Most men have occasional times when they cannot get an erection. For example, you may not get an erection so easily if you are tired, stressed, distracted, or have drunk too much alcohol. For most men it is only temporary, and an erection occurs most times when you are sexually aroused. However, some men have persistent, or recurring, ED. It can occur at any age, but becomes more common with increasing age. About half of men between the ages of 40 and 70 have ED. About 7 in 10 men aged 70 and above have ED. viagra online yahoo answers viagra best price And just what exactly does nitric oxide do? Blood vessels use the chemical as a signal to surrounding muscles to relax, which increases blood flow -- a necessity for staying erect. Call Your Doctor immediately or Go to an Emergency Room If: You have an extended or painful erection, unrelated to sexual desire, lasting more than a few hours. Erectile dysfunction, heart disease and other vascular diseases: Although ED can be caused by various conditions, about 7 in 10 cases are due to narrowing of the small arteries in the penis. This causes reduced blood flow to the penis. This is the same problem that can occur in other blood vessels. For example, narrowing of the blood vessels in the heart (the coronary arteries) is a cause of angina and other heart problems. Narrowing of blood vessels to the brain is a risk factor for having a stroke. Narrowing of blood vessels in the legs can cause peripheral vascular disease. Some people have trouble speaking with their doctors about sex. But if you have ED, you should tell your doctor. ED can be a sign of health problems. It may mean your blood vessels are clogged. It may mean you have nerve damage from diabetes. If you don't see your doctor, these problems will go untreated. non generic viagra online viagra online