Published in partnership with the American Physiological Society Learn more at www. Sign up for e-alerts. Recommend to your librarian. Supplement 8: Full Article on Wiley Online Library. Semilogarithmic plot of variation...
It is estimated that 20 million men in the United States suffer from sexual dysfunction. Many of these men are not aware of the many options that are available for the treatment of this problem. For a large majority of men who experience sexual dysfunction, the cause is physical rather than psychological. A number of diseases such as high blood pressure, diabetes or even old age may alter sexual functioning. For example, half of all men with diabetes experience some degree of sexual dysfunction. In the past, many men were told "It's all in your mind" and sent home.
Among other problems, sexual dysfunction can reduce your desire for sex, or your ability to become sexually aroused. It may prevent you from achieving an orgasm, cause premature ejaculation, or it may cause pain during intercourse.
Unique for its role in human reproduction, a gamete is a specialized sex cell carrying 23 chromosomes—one half the number in body cells. At fertilization, the chromosomes in one male gamete, called a sperm or spermatozoon , combine with the chromosomes in one female gamete, called an oocyte.
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