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Information on the latest vitamin D news and research.

Find out more information on deficiency, supplementation, sun exposure, and how vitamin D relates to your health.

“Compelling evidence” linking vitamin D deficiency with cancer risk from the National Cancer Institute

Question: Who wrote these words?

“In summary, rather compelling evidence exists that inadequate vitamin D exposures are associated with an increase in cancer risk and/or tumor progression”

A. The Vitamin D Council
B. Researchers at the National Institutes of Health
C. Researchers at the National Cancer Institute
D. Grassroots Health

 

Answer: C. Researchers at the National Cancer Institute

The words come from Dr. Cindy Davis and Dr. John Milner at the National Cancer Institute. Unfortunately, they otherwise stayed in line with the bosses and expressed herd mentality.

I found it interesting that the U-shaped curve is now everywhere but even the test tube people can’t find a molecular mechanism to explain how levels of 29 ng/ml will protect you from cancer but levels of 44 will not.

It is of interest that the U-shaped studies, the majority of which are from cod liver oil countries, all give different numbers for ideal protection. That is, keep your vitamin D level at 15 for your pancreas, 19 for your prostate, 23 for your colon, and 28 for your breast. How exactly do I do that?

Furthermore, such studies are in the minority, not the majority; do you think the late famous Dr. Denis Burkitt noted lots of cancer in his sun-drenched semi-naked patients in Uganda.

Davis CD, Milner JA. Nutrigenomics, Vitamin D and Cancer Prevention. J Nutrigenet Nutrigenomics. 2011 Mar 23;4(1):1-11. [Epub ahead of print].

 

  About: John Cannell, MD

Dr. John Cannell is founder of the Vitamin D Council. He has written many peer-reviewed papers on vitamin D and speaks frequently across the United States on the subject. Dr. Cannell holds an M.D. and has served the medical field as a general practitioner, emergency physician, and psychiatrist.