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coverThe optimal status for Vitamin D is unlikely to be met without the ingestion of Vit D supplements. This is in part because the minimum levels are being revised upwards and the suitable food sources are inadequate in nutrient density and are erratically consumed. In addition the change in sunbathing practices in the northern hemisphere has led to a widely recognised Vit D deficiency pandemic.

Children are especially vulnerable to the adverse consequences of Vit D deficiency during their growing years. Recognising the need for supplemental intervention a group of clinicians and scientists from Divisions of Adolescent Medicine and Endocrinology, Children’s Hospital Boston, and Biotics Research Corporation explored the effectiveness of differing forms of Vit D3 in the restoration of normal levels of Vit D status in children.

Common Ills are Linked to Memory Loss

Friday, 25 September 2009 by
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coverPatients with Alzheimer’s disease who have common bacterial infections suffer greater memory loss, claims a recent study published in Neurology. The effect is said to be linked to increased levels of the pro-inflammatory cytokine tumour necrosis factor (TNFa) caused by systemic inflammation.

Previous research has suggested that acute systemic inflammation might exacerbate neurodegeneration, so the researchers, based at the University of Southampton, UK, measured the level of TNFa in the blood of 222 elderly people with Alzheimer’s disease and assessed their ability to perform cognitive tests over a 6 month period.

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S1074761309X00099_cov150hFoxp3+ T regulatory (Treg) cells control all aspects of the immune response. This paper reviews the in vitro model systems that have been developed to define the mechanisms used by Treg cells to suppress a large number of distinct target cell types.

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00bookDiindolylmethane (DIM)
A phytonutrient and plant indole found in cruciferous vegetables including broccoli, brussels sprouts, cabbage, cauliflower and kale, with potential antiandrogenic and antineoplastic activities. As a dimer of indole-3-carbinol, diindolylmethane (DIM) promotes beneficial oestrogen metabolism in both sexes by reducing the levels of 16-hydroxy oestrogen metabolites and increasing the formation of 2-hydroxy oestrogen metabolites, resulting in increased antioxidant activity. Although this agent induces apoptosis in tumor cells in vitro, the exact mechanism by which DIM exhibits its antineoplastic activity in vivo is unknown. Check for active clinical trials using this agent. (NCI Thesaurus)

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coverFish sampled from a total of 291 streams across the United States of America between the years of 1998 and 2005 were found to contain levels of mercury higher than those deemed safe for human ingestion. The report published in a non peer reviewed journal – the US Geological Survey in August 2009 says that more than 2 thirds of the fish sampled contained levels of mercury that exceeded the Environment Protection Agency’s level of concern for the protection of fish eating mammals – including humans.

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Vit D Balances the Innate Immune Response

logoA new study has concluded that one key part of the immune system, the ability of vitamin D to regulate anti-bactericidal proteins, is so important that it has been conserved through almost 60 million years of evolution and is shared only by primates, including humans – but no other known animal species. The genetic material – called an Alu short interspersed element – is part of what used to be thought of as “junk DNA” and makes up more than 90 percent of the human genome.

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cover_2009-08_thumbComment: The epidemiology of coeliac disease that once was thought to be in the rage of 1 in 10,000 is now known to be in the neighbourhood of 1 in 133, although not all individuals with the disease face the same set of symptoms that makes coeliac and other food-related conditions so dangerous and widespread.

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coverfigThe epidemic of obesity and type 2 diabetes mellitus is dramatically increasing. Environmental factors, such as sedentary life-style, hypercaloric, fat-rich diet and genetic susceptibility are considered major determinants of type 2 diabetes mellitus. Obesity and peripheral insulin resistance are hallmarks and major risk factors for development of type 2 diabetes mellitus. Cardiovascular complications (eg, atherosclerosis, coronary heart disease) of both metabolic disorders are associated with chronic subclinical inflammation.

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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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