Ron’s Wanderings

One of the health factors that I think about rather often is prostate cancer. I think about it because I was diagnosed with this disease. I have the slow-growing variety — and I am “of a certain age” — so my doctor has me on a “watchful waiting” treatment. That means that I get my PSA and DRE checked at least once each year and hope for little, if any, change.

When I saw this report, it caught my interest and I hope will be of interest to you as well.

Altering the ratio of omega-3 and omega-6 fatty acids in the typical Western diet may reduce prostate cancer tumor growth rates, a new U.S. study suggests.

This study with mice is one of the first to show the impact of diet (in this case, more omega-3 fatty acids and fewer omega-6 fatty acids) on lowering an inflammatory response known to promote prostate cancer tumor progression. The finding could help lead to the development of new treatments, the researchers said.

The researchers, from the University of California, Los Angeles, used mice with a hormone-sensitive prostate cancer that closely resembles human prostate cancer. One group of mice was fed a diet that included 20 percent fat with a one-to-one ratio of omega-6 to omega-3 fatty acids. The other group of mice also received a diet with 20 percent fat, but mostly omega-6 fatty acids.

In the mice that received the balanced diet of fatty acids, tumor cell growth rates decreased by 22 percent and prostate specific antigen (PSA) levels decreased by 77 percent, compared to the mice that received the diet with mostly omega-6 fatty acids.

Omega-6 fatty acids, the predominant polyunsaturated fatty acids in the Western diet, are found in corn, safflower oils and red meats. Omega-3 fatty acids are found in cold-water fish, including salmon, tuna and sardines.

“Corn oil is the backbone of the American diet. We consume up to 20 times more omega-6 fatty acids in our diet compared to omega-3 acids,” principal investigator Dr. William Aronson, professor in the department of urology at the David Geffen School of Medicine at UCLA and a researcher at UCLA’s Jonsson Cancer Center, said in a prepared statement.

“This study strongly suggests that eating a healthier ratio of these two types of fatty acids may make a difference in reducing prostate cancer growth, but studies need to be conducted in humans before any clinical recommendations can be made,” Aronson said.

These findings were published in the journal Clinical Cancer Research.

I’ll be keeping my eyes open for further information about this and will keep you informed.
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Contact me at: http://www.ronrink.com

My email and phone number are at that site. Feel free to contact me. I’m here to help you with your health, nutrition and fitness goals.

Have a healthy and nutritious day!

Shanti … (A sanscrit word meaning, “Let there be Peace. Peace, beautiful Peace. Peace within, Peace without. Peace in this world. Peace for all beings.”)

Ron
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This entry was posted on Thursday, January 17th, 2008 at 10:39 am and is filed under Nutrition and Weight Loss. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.