Wednesday, June 18, 2008

Lifestyle Choices Trigger Genetic Changes

Decisions you make about what you eat and how often you exercise could have effects as far reaching as your genes.

A group of 30 men with low-risk prostate cancer were tracked over the course of three months while on a strict healthy diet, daily exercise routine and stress reduction techniques.

The expected results of overall health improvements were there but the big news came with a comparison of before and after prostate biopsies.

Around 500 genes had been modified. 48 were turned on and 503 had been turned off. Disease preventing genes went on the warpath while disease promoting genes lay dormant.

"'In just three months, I can change hundreds of my genes simply by changing what I eat and how I live?' That's pretty exciting," said Dr. Dean Ornish, head of the Preventive Medicine Research Institute in Sausalito, California. "The implications of our study are not limited to men with prostate cancer."

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