Erectile dysfunction is when a man is not able to have or keep an erection to have sex. It's often a side effect of the treatments for prostate cancer.
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Peyronie disease causes hard, flat plaque to form under the skin on the tissue of the penis. The plaque often starts as an inflammation that may develop into scar tissue. It can cause pain and a sharp curve in the penis during erections.
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Women suffer more frequent and severe symptoms from STDs. Some STDs can cause pelvic inflammatory disease, which can lead to both infertility and ectopic pregnancy.
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AIDS is caused by the human immunodeficiency virus, which kills or impairs cells of the immune system and progressively destroys the body's ability to fight infections and certain cancers.
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