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How does blood vessel damage cause failure of erection?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Damage can occur in arteries or veins supplying the penis. The most common cause of blood vessel damage comes from atherosclerosis, the narrowing of arteries that also causes heart attacks, stroke and peripheral vascular disease (PAD). Blood vessel narrowing is usually secondary to diabetes. It prevents blood vessels from relaxing and dilating properly ultimately reduces the amount of blood that can enter the chambers of the penis that keep things erect. High blood pressure and altered blood cholesterol levels also affect blood vessels.

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