Flawed Research Used to Discredit Vitamin Use (amazon) (shopzilla)


San Rafael, Ca (PRWEB) February 23, 2012

Published in the October edition of the Archives of Internal Medicine, this research was called the Iowa Woman’s Health Study consisting of a questionnaire review of post-menopausal women living in Iowa. The idea was to see if taking vitamin supplements reduced mortality rates in older women.

This study supposedly shows that taking vitamin supplements actually shortens ones lifespan, said Dr. ShamesDon’t believe it. This is a flawed study.

Dr. Shames continued, Unfortunately, the mainstream media has seized upon some of the studys erroneous conclusions in a manner best described as yellow journalism.

When asked what the flaws were in the study, Dr. Shames indicated the study showed that taking vitamins C, D, E, and calcium, alone or in combination, was moderately associated with longer survival. Other nutrients, like strong doses of iron and vitamin A, however, had a major detrimental effect. So the study authors combined all of these effects to get a meaningless average of a mild detrimental effect of taking vitamins in general.

Another flaw was how the researchers controlled for specific factors like weight, diet, disease, smoking other factors. For instance, a sizable percentage of the study group were on hormones (including the hazardous non bio-identical combo of Premarin and Provera). Likely the health conscious hormone-taking women were more likely to be also taking vitamins. The study lumped them all together.

Dr. Shames maintains that one of the biggest flaws in the study is the doubtful validity of self-reported questionnaires, without verification controls. According to him, the more reliable WHI Study (Women/s Health Initiative) used good validation techniques. This present study did not. In addition, Dr. Shames continued, this study did not take into account the quality or the source of the vitamins mentioned. The actual benefit of vitamins has long been known to be reduced by the adverse effects of additives, and by-products found in cheaper brands. What type of vitamins do you suppose most of the elderly ladies of Iowa were taking?

It was already quite clear before this study that older women should not be taking iron; or that no one should be taking high doses of vitamin A. To now utilize that older news to discourage sensible taking of beneficial vitamins is a big mistake.

Todays consumers are confronted with so-called scientific reports that question the value of some dietary supplements, said Dr. Shames. “In my view, many of these reports seem purposely deceptive, with the intent of falsifying the true conclusions of the overwhelming number of studies that confirm the benefits of taking vitamins. In this case, the economic beneficiaries will be pharmaceutical companies who can expect increased sales of prescription drugs to those who fall for the latest media hype. As has been the case of previous studies conducted by mainstream doctors, the potencies of the nutrients evaluated in this negative report are far different than what knowledgeable health conscious consumers take on a daily basis. So while the media was running headlines like Taking Vitamins May Shorten Your Life, the report the headline was based on omitted most of the vitamin studies that should have been included. This obvious bias rendered the findings meaningless. Of 815 studies considered, only 67 were included for the meta-analysis.

Dr. Shames continued, In todays Western world, a large percentage of the population fails to ingest optimal potencies of many essential nutrients. As you will read in part two of this report, a shocking majority (93-96%) of people of people who dont supplement with vitamin E are deficient in vitamin E. This negative report attacking supplements is fatally flawed because it:

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