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+ Physical Impotence Causes
When a man has erectile dysfunction (ED), he cannot achieve or maintain a firm erection. ED also is called "impotence." About one in every ten men has impotence or some degree of impotence.
Male impotence has many causes and treatments. Most causes are physical, such as disease, injury, or drug side effects. Here are some leading risk factors for impotence:
Prostate cancer treatments (surgery and radiation)
Heart disease
Diabetes (a leading cause of impotence)
Hardening of the arteries
High blood pressure
Smoking
Side affects of other drug therapy
Alcoholism
Liver failure
Neurological disorders, such as spinal cord injuries or multiple sclerosis
Hormone imbalance
In most cases, physical causes of impotence reduce or prevent blood flow or nerve impulses to the penis.
Only about 10% of impotence cases have a psychological cause. Many cases with a physical cause also involve psychological issues. Men with impotence can feel anxious, guilty, or depressed. This anxiety can often make the impotence worse.
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