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vitamin-dA summary of 6 papers exploring the various relationships discovered between Vit D status, health and disease risk.

Vitamin D Supplementation Improves Glycmic Control in Diabetes

Regular dosing of vitamin D (2000 IU/day) in early childhood has been shown to reduce the risk of developing Type 1 diabetes (up to an 80% reduction projected over the next 30 years),

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2009coverBreast cancer survivors might be able to reduce their risk for contralateral breast cancer by making lifestyle modifications. A new study published online September 8 in the Journal of Clinical Oncology has found that obesity, alcohol use, and smoking all significantly increase the risk for second primary invasive contralateral breast cancer among breast cancer survivors.

Researchers from the Fred Hutchinson Cancer Research Center in Seattle, Washington, found that obese women had a 50% increased risk for contralateral breast cancer, and those who consumed 7 or more alcoholic drinks per week had a 90% increased risk. Survivors who currently smoked had a 120% increased risk of developing a second breast cancer.

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agro_coverA  report just published by the French Agency for Food Safety (AFSSA), the equivalent to the UK’s Food Standards Agency has described organic foods as being better for you,contain less pesticides and nitrates, both of which have been linked to a range of health problems including diabetes and Alzheimer’s.

This up-to-date exhaustive and critical evaluation of the nutritional quality of organic food  has found organic foods have higher levels of minerals and antioxidants, counter opposing the recent FSA report that questioned the benefits of growing and consuming organic foods.

Published in the peer reviewed journal Agronomy for Sustainable Development  this review carries substantive scientific opinion. It defines a number of advantages provided by the organic food production methods.

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logo-HHP_mastheadThe conservative Harvard Medical School in the USA normally promotes micronutrient intake being derived from food stuffs alone. The Health Publications Bulletin out in Sept 2009 says that from the perspective of Vitamin D food sources may be inadequate and that supplementary intake is required to meet physiological optimisation. (See Video)

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generic.Par.0001.ImageDr Harri Hemila MD PhD co author of the Cochrane Review article replies [1]:

The Cochrane review was limited to placebo-controlled trials in which at least 0.2 g of vitamin C was used per day.[2] Most of these trials examined vitamin C administration as regular supplementation and provided strong evidence that vitamin C shortens the duration of colds and alleviates its symptoms.

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S0091674909X00102_cov200hComplementary and alternative medicines (CAMs) are used in more than 80% of the world’s population and are becoming an increasing component of the US health care system, with more than 70% of the population using CAM at least once and annual spending reaching as much as $34 billion. Since the inception of the National Center for Complementary and Alternative Medicine, there has been an enormous increase in the number of basic science and therapy-based clinical trials exploring CAM.

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suppl.1.coverVitamin C is commonly known to be essential to human health. However, specifically as it relates to cancer treatment, the value of vitamin C is debated and often considered a topic of scientific controversy. Cancer researchers have investigated various ways of administering high-dose vitamin C, including both orally and intravenously. Researchers have also examined different forms of vitamin C—ascorbic acid (AA) and dehydroascorbic acid (DHA)—which may well be a comparison of apples and oranges.

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Although dietary factors have been extensively studied in many chronic diseases, the role of diet in the epidemiology of rheumatoid arthritis (RA) has received little attention. Fruit and vegetables and dietary antioxidants are thought to play a protective role in the pathogenesis of CVD and some cancers, but few studies have investigated these dietary components in the aetiology of RA.

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Rheumatoid arthritis (RA) is characterized by inflammation of the synovial tissues in the joints. A number of papers related to dietary components that are associated with this inflammation are reviewed. In addition, the ecological approach is used to study the links between diet and RA. Multi-country data for prevalence of RA for females from eight and fifteen countries were compared statistically with components of national dietary supply.

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OBJECTIVE: Many studies have examined the role of diet in the management of established rheumatoid arthritis (RA), warranting several recent reviews. However, none have considered the possible link between diet and the onset of RA in detail. Studies investigated a possible effect of individual components of diet and the development of RA, but the lack of a systematic review means there is no unbiased assessment of the evidence.

METHODS: We systematically reviewed studies with comparison groups that examined dietary intake or biological markers prior to the onset of RA. Four electronic databases were searched to identify relevant reports. Six quality criteria were agreed, against which the studies were assessed. The main outcome measure was a diagnosis of RA according to the ARA 1958 or revised ACR 1987 classification criteria.

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