When men become sexually aroused, hormones, muscles, nerves, and blood vessels all work with one another to create an erection. Nerve signals, sent from the brain to the penis, stimulate muscles to relax. This, in turn, allows blood to flow to the tissue in the penis. Once the blood fills the penis and an erection is achieved, the blood vessels to the penis close off so that the erection is maintained. Following sexual arousal, the blood vessels to the penis open up again, allowing the blood to leave.

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Nor is the inability to have another erection soon after an orgasm. Nearly every man occasionally has trouble getting an erection, and most partners understand that. The problem often develops gradually. One night it may take longer or require more stimulation to get an erection.
Some people believe that masturbation can cause erectile dysfunction, but this is a myth. Masturbation is a common and beneficial activity. While most men have trouble getting or keeping an erection at some point in their lives, frequent difficulties getting an erection is called erectile dysfunction ED. Learn more about ED and masturbation, if watching porn affects sexual function, and when to see a doctor. Research shows that masturbation is very common across all ages. Approximately 74 percent of males reported masturbating, compared to