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Ornish Diet Fights Prostate Cancer?

The results of a small study have been published and indicate a possible benefit from a very-low-fat diet:

Half were randomly assigned to the Ornish diet and lifestyle regimen; the others weren't asked to vary their usual routines. The researchers sent participants' blood samples to Memorial Sloan-Kettering Cancer Center in New York to measure PSA, or prostate specific antigen, a marker used to track prostate cancer growth.

After one year, PSA levels had decreased 4 percent in the diet group -- unusual for untreated patients -- while PSA levels rose by 6 percent in the control group.

The diet means restricting fat to just 10% of daily calorie intake per day (which typically mean a strict vegetarian or even vegan diet).

The Cancer Society responds:

"It's hard to get too excited about these results because you took a population of men who, frankly, are likely to do well no matter what," cautioned Dr. Durado Brooks of the American Cancer Society. But, "this definitely should open the door to more research."

Written By J. Foster
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Last Modified: September 16, 2005

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