On 29th September, Dr Michael Holick appeared on the "Coast to Coast" radio show, hosted by George Noory:
http://www.coasttocoastam.com/guest/holick-dr-michael/41323
As many of you can't afford a subscription to listen to the whole show, I have edited the broadcast into an MP3 file of short snippets, so that we can (intelligently) discuss what was said. There is a "beep tone" to separate each snippet of info.
You can download it from:
http://MarshallProtocol.com/video/Holick.mp3
First is the introduction, setting out Dr Holick's overview of Vit D.
Is the MP Treatment for Sarcoidosis Helpful for Other Chronic Diseases?
MP's Vitamin D Theories Are Not Supported by Lab Studies.
Updated July 2, 2008
"The MP treatment plan was originally designed to treat an inflammatory condition known as sarcoidosis. The treatment consists of using the drug Benicar, combined with the avoidance of all sources of vitamin D, and eventually adding various antibiotics, especially minocycline. After being used by sarcoidosis patients for some years, it was then theorized and claimed that the treatment could treat other inflammatory conditions. Eventually it was also claimed that it could treat fibromyalgia and CFS, conditions which are not recognized by the medical literature as being inflammatory in nature. "
Estimation of the dietary requirement for vitamin D in healthy adults.\nCashman KD, Hill TR, Lucey AJ, Taylor N, Seamans KM, Muldowney S, Fitzgerald AP, Flynn A, Barnes MS, Horigan G, Bonham MP, Duffy EM, Strain JJ, Wallace JM, Kiely M.\nAm J Clin Nutr. 2008 Dec;88(6):1535-42.\nPMID: 19064513 [
Estimation of the dietary requirement for vitamin D in free-living adults >=64 y of age.
Cashman KD, Wallace JM, Horigan G, Hill TR, Barnes MS, Lucey AJ, Bonham MP, Taylor N, Duffy EM, Seamans K, Muldowney S, Fitzgerald AP, Flynn A, Strain JJ, Kiely M.
Am J Clin Nutr. 2009 May;89(5):1366-74. Epub 2009 Mar 18.
PMID: 19297462
doi:10.3945/ajcn.2008.27334
Conclusion: To ensure that the vitamin D requirement is met by the vast majority (>97.5%) of adults aged ≥64 y during winter, between 7.9 and 42.8 µg vitamin D/d is required, depending on summer sun exposure and the threshold of adequacy of 25(OH)D. .
Here we propose that the beneficial effect of (n-3) PUFA diet is related to down-regulation of the mutually positive interactions of platelet activation and coagulation. In addition, we consider the possibility that the dietary effect on hemostatic and lipid factors involves transcription regulation of multiple genes, perhaps in a subject-dependent manner.
Fish oil consumption and reduction of arterial disease.
Vanschoonbeek K, de Maat MP, Heemskerk JW.
J Nutr. 2003 Mar;133(3):657-60. Review.
PMID: 12612132
Serum levels of vitamin D metabolites and breast cancer risk in the prostate, lung, colorectal, and ovarian cancer screening trial.
Freedman DM, Chang SC, Falk RT, Purdue MP, Huang WY, McCarty CA, Hollis BW, Graubard BI, Berg CD, Ziegler RG.
Cancer Epidemiol Biomarkers Prev. 2008 Apr;17(4):889-94. Epub 2008 Apr 1.
PMID: 18381472
doi: 10.1158/1055-9965.EPI-07-2594
In this prospective study of postmenopausal women, we did not observe an inverse association between circulating 25(OH)D or 1,25(OH)2D and breast cancer risk, although we cannot exclude an association in younger women or with long-term or earlier exposure
Correlation of symptoms with vitamin D deficiency and symptom response to cholecalciferol treatment: a randomized controlled trial.
Arvold DS, Odean MJ, Dornfeld MP, Regal RR, Arvold JG, Karwoski GC, Mast DJ, Sanford PB, Sjoberg RJ.
Endocr Pract. 2009 May-Jun;15(3):203-12.
PMID: 19364687
Conclusions: Compared with participants in the placebo group, patients in the treatment group showed mild short-term improvement in the overall fibromyalgia impact score, but did not show significant improvement in most musculoskeletal symptoms or in activities of daily living.
Serum vitamin D concentration and prostate cancer risk: a nested case-control study.
Ahn J, Peters U, Albanes D, Purdue MP, Abnet CC, Chatterjee N, Horst RL, Hollis BW, Huang WY, Shikany JM, Hayes RB; Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial Project Team.
J Natl Cancer Inst. 2008 Jun 4;100(11):796-804. Epub 2008 May 27.
PMID: 18505967
doi:10.1093/jnci/djn152
CONCLUSION: The findings of this large prospective study do not support the hypothesis that vitamin D is associated with decreased risk of prostate cancer; indeed, higher circulating 25(OH)D concentrations may be associated with increased risk of aggressive disease.
In summary, results from this large prospective study of men who underwent standardized prostate cancer screening in the context of a screening trial do not support the hypothesis that higher serum vitamin D status is associated with decreased risk of prostate cancer. The study showed no association of vitamin D level with nonaggressive disease; however, it raises the possibility that higher vitamin D level may be associated with increased risks for aggressive disease, although a clear monotonic dose-response relationship was lacking. Along with recent reports of adverse associations for higher vitamin D status and risk of pancreatic (32) and esophageal (33,34) cancer, caution should be taken in recommending high doses of vitamin D or sunlight exposure to the general public for prostate cancer prevention. Future analyses are warranted to confirm these results and to further clarify the effects of vitamin D on aggressive prostate cancer.
Omega-3 fatty acids: evidence basis for treatment and future research in psychiatry.
Freeman MP, Hibbeln JR, Wisner KL, Davis JM, Mischoulon D, Peet M, Keck PE Jr, Marangell LB, Richardson AJ, Lake J, Stoll AL.
J Clin Psychiatry. 2006 Dec;67(12):1954-67. Review. Erratum in: J Clin Psychiatry. 2007 Feb;68(2):338.
PMID: 17194275
Conclusions: The preponderance of epidemiologic and tissue compositional studies supports a protective effect of omega-3 EFA intake, particularly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), in mood disorders. Meta-analyses of randomized controlled trials demonstrate a statistically significant benefit in unipolar and bipolar depression (p=.02). The results were highly heterogeneous, indicating that it is important to examine the characteristics of each individual study to note the differences in design and execution. There is less evidence of benefit in schizophrenia. EPA and DHA appear to have negligible risks and some potential benefit in major depressive disorder and bipolar disorder, but results remain inconclusive in most areas of interest in psychiatry. Treatment recommendations and directions for future research are described. Health benefits of omega-3 EFA may be especially important in patients with psychiatric disorders, due to high prevalence rates of smoking and obesity and the metabolic side effects of some psychotropic medications.
Conjugated linoleic acid impairs endothelial function.
Taylor JS, Williams SR, Rhys R, James P, Frenneaux MP.
Arterioscler Thromb Vasc Biol. 2006 Feb;26(2):307-12. Epub 2005 Dec 8.
PMID: 16339498
CONCLUSIONS: A CLA isomeric mixture had at most modest effects on adiposity and worsened endothelial function. On the basis of these results, the use of the isomeric mixture of CLA as an aid to weight loss cannot be recommended
"Hi! This is Amy Proal. I wrote the article referenced at the start of the thread about vitamin D.
Dr. Marshall is not concerned with vitamin D toxicity. Rather his molecular modeling research has clarified the actions of the two vitamin D metabolites 25-D and 1,25-D. The Vitamin D Receptor (VDR) is a fundamental receptor of the body - it controls the expression thousands of genes, as well as the activity of the innate immune system and the antimicrobial peptides. If you think of the VDR as a switch, 25-D (which is a corticosteroid) turns it off (inactivates it) and 1,25-D turn it on (activates it). What is commonly believed among vitamin D researchers is that if people supplement with extra vitamin D it will be converted into 1,25-D and activate the VDR. Unfortunately, Marshall's work revealed that the type of vitamin D derived from supplements and sun remains, for the most part, in it's precursor form 25-D. This means that the extra vitamin D we get from fortified food products and supplements is turning the VDR off, not on. That causes a decrease in immune function and gene transcription."
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