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Increased intakes of vitamins C and E and beta-carotene may reduce the risk of cancer of the uterus, according to a new review and meta-analysis of the science to date. Writing in Cancer Causes and Control, US scientists report that for every 1,000 microgram increase per 1,000 kcal of diet of beta-carotene was associated with a 12 per cent reduction in the risk of endometrial cancer.

Edible mushrooms are a versatile functional food and have been touted as a way to preserve youth, longevity and overall health for centuries. Now nutrition researchers from Arizona State University and Pennsylvania State University are finding that they may even help boost the immune system and reduce inflammation, especially in the colon. Keith R. Martin, ASU assistant professor in nutrition, along with his Penn State colleagues, experimented with various types of mushrooms, from the more common white button to the exotic like shiitake and oyster, to see what sort of effect they had on the immune system. Their paper was published in late February in BMC Immunology, a peer reviewed online journal. "We found that the white button mushroom seemed to be the most effective in boosting the immune system, which is good because they are the most affordable," said Martin.

Biochemical effects of consumption of eggs containing omega-3 polyunsaturated fatty acids. Ohman M, Akerfeldt T, Nilsson I, Rosen C, Hansson LO, Carlsson M, Larsson A. Ups J Med Sci. 2008;113(3):315-23. PMID: 18991244 Addition of one regular egg per day to the normal diet had no negative impact on blood lipids or inflammation markers. Consumption of omega-3 enriched eggs resulted in higher levels of ApoA1, lower ApoB/ApoA1 ratio and lower plasma glucose. These effects have been associated in previous studies with a reduced risk for cardiovascular mortality and diabetes.

Prevention of nonvertebral fractures with oral vitamin D and dose dependency: a meta-analysis of randomized controlled trials. Bischoff-Ferrari HA, Willett WC, Wong JB, Stuck AE, Staehelin HB, Orav EJ, Thoma A, Kiel DP, Henschkowski J. Arch Intern Med. 2009 Mar 23;169(6):551-61. PMID: 19307517 Conclusion Nonvertebral fracture prevention with vitamin D is dose dependent, and a higher dose should reduce fractures by at least 20% for individuals aged 65 years or older.

March 27, 2009 - A significant decrease in serum 25-hydroxyvitamin D (25[OH]D) levels has led to an increase in vitamin D insufficiency in the US population, especially in racial and ethnic groups, according to results of a population-based study reported in the March 23 issue of the Archives of Internal Medicine. "Vitamin D insufficiency has been associated with increases in cardiovascular disease, cancer, and infection," write Adit A. Ginde, MD, from the Department of Emergency Medicine at the University of Colorado Denver School of Medicine, Aurora, Colorado, and colleagues. "Vitamin D supplementation appears to mitigate the incidence and adverse outcomes of these diseases and may reduce all-cause mortality." [...] "These findings have important implications for health disparities and public health," the study authors conclude. "Our data provide additional evidence that current recommendations for vitamin D supplementation (200-600 IU/d) are inadequate to achieve optimal serum 25(OH)D levels in most of the US population." They add that large, randomized controlled trials of higher doses of vitamin D supplementation are needed to evaluate their effect on general health and mortality.

There is new research out this morning from South Dakota State University which offers evidence that including flax in the diet may help prevent colorectal tumors or keep tumors from growing as quickly when they do form. Professor C. Dwivedi, head of SDSU's Department of Pharmaceutical Sciences, directed the study. The study was conducted in mice that develop spontaneous intestinal tumors. This strain of mouse is often used as a model by cancer researchers due to this mutation.

ScienceDaily (Apr. 5, 2009) - Docosahexanoic acid (DHA), an omega-3 fatty acid found in fish oils, has been shown to reduce the size of tumours and enhance the positive effects of the chemotherapy drug cisplatin, while limiting its harmful side effects. The rat experiments provide some support for the plethora of health benefits often ascribed to omega-3 acids.

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One of the places where the body stores excess fat when someone is overweight is the belly.

ScienceDaily (May 12, 2009) - Taking folic acid supplements for at least a year before conception is associated with reduction in the risk of premature birth, according to a study by Radek Bukowski (from the University of Texas Medical Branch, United States of America) and colleagues. Although most pregnancies last about 40 weeks, many babies (for example around 12% in the United States) are born before 37 completed weeks of pregnancy. Babies born prematurely are less likely to survive than full-term babies and are more likely to have breathing difficulties and learning or developmental disabilities. Currently, there are no effective methods of prevention or treatment of premature (preterm) birth, but previous studies have suggested that lower concentrations of folate (folic acid) are associated with shorter duration of pregnancy. Bukowski and colleagues therefore tested this idea, by analyzing data collected from a cohort of nearly 35,000 pregnant women. The results of this study showed that taking folate supplements for at least one year before conception was associated with a 70% reduction in spontaneous premature birth between 20 and 28 weeks (a reduction from 0.27% to 0.04%), and a 50% reduction between 28 and 32 weeks (reduction from 0.38% to 0.18%), as compared to the rate of preterm birth when mothers did not take additional folate supplementation. Folate supplementation for less than a year before conception was not linked to a reduction in the risk of premature birth in this study, and folate supplementation was not associated with any other complications of pregnancy. In a related commentary also published in this week's PLoS Medicine, Nicholas Fisk from the University of Brisbane, Australia, and colleagues (who were not involved in the original study) say "Methodologically, the study has several strengths... It is based on a huge dataset, with prospective recording of dietary supplements and potential confounders, and gestational age determined accu