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What Is Erectile Dysfunction? Also known as impotence, erectile dysfunction is defined as the inability to attain and/or maintain an erection suitable for intercourse. Causes of erectile dysfunction include diseases affecting blood flow, such as atherosclerosis (hardening of the arteries); nerve disorders; psychological factors, such as stress, depression, and performance anxiety (nervousness over his ability to sexually perform); and injury to the penis. Chronic illness, certain drugs, and a condition called Peyronie's disease (scar tissue in the penis) also can cause erectile dysfunction. To identify your pelvic floor muscles: firstly, contract the muscles that you would use to stop passing wind from your anus; secondly contract the muscles that you would use to stop the flow of urine. These are the muscles that can be trained and strengthened. Ideally, discuss this option with your GP. If this option is considered appropriate to try, then ideally you should see a physiotherapist for advice on exactly how to do the correct exercises. Also, see the references at the end of this article. How Common Is Erectile Dysfunction? A much more common problem that affects the majority of men at some point in their life is the occasional failure to achieve an erection, which can occur for a variety of reasons, such as from drinking too much alcohol or from being extremely tired. Is erectile dysfunction due to psychological or physical factors? Healthy men have involuntary erections in the early morning and during REM sleep (a stage in the sleep cycle with rapid eye movements). Men with psychogenic erectile dysfunction (erectile dysfunction due to psychological factors such as stress and anxiety rather than physical factors) usually maintain these involuntary erections. Men with physical causes of erectile dysfunction (for example, atherosclerosis, smoking, and diabetes) usually do not have these involuntary erections. generic viagra online canada no prescription buy viagra kamagra online bestellen ohne rezept buy kamagra online Surgical intervention for a number of conditions may remove anatomical structures necessary to erection, damage nerves, or impair blood supply. Complete removal of the prostate gland or external beam radiotherapy of the gland are common causes of impotence; both are treatments for prostate cancer. viagra online bangalore viagra online Therefore, men with these conditions should not use tadalafil without having these conditions evaluated and stabilized first. For example, men with uncontrolled high blood pressure should have their blood pressure controlled; and men with potentially life-threatening abnormal heart rhythms should have these rhythms controlled. Best price for generic viagra The risk of heart attack or abnormal heart rhythms during sex is higher in men with unstable angina (angina that occurs at rest or with minimal exertion), poorly controlled hypertension, moderate to severe heart failure, moderate to severe disease of the heart valves, recent heart attack (less than two weeks previously), potentially life-threatening disorders of heart rhythm such as recurrent ventricular tachycardia, and moderate to severe disease of the heart muscles. In these men, doctors usually stabilize or treat the heart conditions before prescribing sildenafil. Best price for generic viagra