Testosterone Important for Normal Erections

Testosterone Important for Normal Erections
Most treatments for erectile dysfunction (ED) involve drugs such as Viagra, which stimulates the production of nitric oxide by the cells lining the blood vessels and increases blood flow to the penis. Scientists are discovering that adequate levels of testosterone, particularly the biologically available free testosterone, are critical to normal sexual function. A review of literature by scientists from Cooper University Hospital in Camden, New Jersey concluded that testosterone was critical for controlling the contractile tissues in the penis (corpus cavernosum smooth muscle), which are essential for producing normal erections. Some men need testosterone supplements and drugs like Viagra to achieve normal erections. (Journal Sexual Medicine, 8: 1865-1879)

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