Sunday, May 21, 2006

A New Tool to Treat Prostate Cancer

A study has revealed that the once highly praised antioxidants found in red wine, grapes and peanuts were not as effective cancer preventatives as green and black tea, in slowing down the progression of prostate cancer.
Participants of the study involved 20 men who had prostate cancer and were pending prostate removal surgery. Each of the men were required to drink five cups of black tea, green tea or soda each day for five days prior to their scheduled surgeries.

The goal of the study was to determine if polyphenols, a substance found in tea, might contribute to slowing down the cell growth of the prostate cancer. One component of the study involved cutting out a piece of each man's prostate for examination. The study revealed a decrease in the growth rate of the cancer cells in the men who had consumed the black or green tea, however there was no change in the men who drank soda.

A second study consisted of six healthy participants who were given resveratrol. The study focused on the effectiveness of resveratrol, a dietary polyphenol, that was thought for several years to provide protection against cancer and heart disease. The results of the study showed that it didn't produce the same positive results.
One expert suggested concentrating on increasing one's intake of fruit and vegetables, rather than targeting single supplements or substances.

Free Radical Biology & Medicine
April 2004;36(7):829-37

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