Cancer Essay -- essays research papers

Prostate crabby person is genus Cancer of the prostate gland gland gland. The prostate is part of the male reproductive system. This gland is locates inside the body at the base of the penis, just below the bladder and in front of the rectum. It is composed of the glandular and fibrous tissue enclosed in a ejection seat of connective tissue. The prostate is in the shape of a donut and closely the size of a walnut. It surrounds the first inch or so of the urethra, the piping that carries urine from the bladder. Normal functions of the prostate depend on the presence of the male hormone testosterone, which is produced by the testes. The prostate produces se men, the thick, whitish fluid that carries sperm. Cancer of the prostate has become the number one cancer in American men. In the United States, approximately 1 in every 11 men will develop prostate cancer during his lifetime. Prostate cancer becomes more and more common with each decade of life. Over 80 percent of all cas es are diagnosed in men over 65.The incidence of prostate cancer improverd 47 percent from 1973 to 1987, about a 2.6 percent increase each year. It is estimated that 106,00 new cases of prostate cancer were diagnosed in the US during the 1990. sour men in the US have the highest incidence of prostate cancer in the world.Little is known about the cause of prostate cancer, and it is rarely possible to explain why a man has developed this disease. Scientists conceptualise that cancer of the prostate develops over a period of many days as a result...