Aerobics 'significantly reduces' men's colon cancer risk

A research study found that men of all sizes and shapes seemed to benefit from vigorous and frequent aerobics exercise of at least four hours a week. On the other hand, the same study evaluated that there was no notable changes in women.

This conclusion comes to support previous studies founding that aerobics has a null effect in women while men receive a big benefit. While the null effect of exercises in women has no explanation yet, researchers claims that aerobics exercises reduce the level of naturally occurring estrogen, a hormone that protects the colon. A possible explanation could be that men work more vigorously than did the women.

During the study observations researchers saw a significant decrease in the amount of cellular proliferation in the region of the colon that are most susceptible to colon cancer. It is a new confirmations of previous estimations considering that regular exercise, not only aerobics, reduces the risk of colon cancer in men more than in women.

The study also found that the above effects were independent of weight as body weight did not appear to have, researchers suggest, a visible impact on the effect of exercise on cellular proliferation.

The results of study will appear in the 2006 September issue of Cancer Epidemiology, Biomarkers and Prevention.






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