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Vitamin D and Colon Cancer

Posted Jan 27 2010 9:38pm

In my Book, Vitamin D Prescription, I  summarize many of the best articles out there on the connection between low levels of vitamin D and colon cancer. Dr. Garland from UCSD showed that blood levels above  50 ng/ml can reduce colon cancer by 50%.  For a cancer that affects 1 in 18 people, a 50% reduction is incredible.   While critics claim we need double blind randomized control studies before we can “prove this”, let me  remind you  that there is no such double blind study showing a link between lung cancer and heart disease’s connection to cigarette studies.  As  a matter of fact, because of all the retrospective evidence of the connection, doing the study would not be very ethical.

Retrospective studies provide a lot of evidence. With the virtually absent side effects to vitamin D supplementation, not taking sufficient quantities is absurd in my opinion and outright dangerous.   Other studies cited show how higher vitamin D leads to more apoptosis of malignant cells, thereby presenting the mechanism by which vitamin D prevents colon cancer.

To read more about this and the vitamin D connection to Breast cancer, prostate cancer, heart disease, kidney disease and more, I encourage you to pick up a copy on amazon.com of    Vitamin D Prescription: The Healing Power of the Sun & How It Can Save Your Life

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REUTERS HEALTH

Among more than 1200 people who developed colorectal cancer and an equal number who did not, researchers found that those with the highest levels of vitamin D in their blood had a nearly 40 percent reduced risk of developing colorectal cancer compared to those with the lowest levels.

The findings from the EPIC study – short for European Prospective Investigation into Cancer and Nutrition — confirm previous findings from smaller studies conducted largely among North American populations.

The EPIC findings “support a role for vitamin D” in the causes of colorectal cancer, EPIC investigator Dr. Mazda Jenab of the International Agency for Research on Cancer in Lyon, France, told Reuters Health.

“But this has to be balanced with caution regarding the potential toxic effects of too much vitamin D and the fact that very little is known about the association of vitamin D with either increased or reduced risk of other cancers,” Jenab said.

EPIC coordinator Dr. Elio Riboli of Imperial College, London, added: “There is consistent scientific evidence that low circulating vitamin D concentration is a marker of increased risk for developing colon cancer.” ..read more here….


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