News
Multivitamin supplements may reduce cancer risk
18 October 2012
According to a new US study, a daily intake of a combination of low-dose vitamins and minerals can decrease total cancer incidence by 8%.
15 July 2013
“Adequate intakes of vitamins and minerals are essential for maintaining human health. The role that micronutrients, such as iron, vitamin A and iodine, play in the prevention of morbidity and mortality in large sectors of the global population, particularly in low and middle-income countries, is well documented. The Global Burden of Disease Study 2010 estimates that 340,000 child and maternal deaths were caused by deficiencies in vitamin A, zinc and iron that year (1). Food insecurity and nutrient deficiencies in high-income countries also exist. For example, in 2008, 14.6% of households in the US were considered food insecure and 5.7% had very low food security, with higher rates of food insecurity found in households with children (2). Nutrient inadequacies may be found in specific sub-populations. Reports show that factors, such as ethnicity, household income, education, age and gender, affect intakes and biochemical markers of nutritional adequacy. Disparities in health outcomes amongst common US ethnic groups are found for many diseases that are related to nutrition. For example, Hispanic women are at a higher risk of having a pregnancy affected by a neural tube defect related to lower intakes of folic acid due to culturally appropriate staple foods (3). Knowledge of the nutrient deficiencies that bring concern can help shape interventions targeted at risk groups.
The US Centers for Disease Control and Prevention (CDC) has been conducting a continuous survey of the US population’s health and nutritional status through the nationally representative NHANES since 1999. Using a complex, multi-stage probability design, a representative sample of non-institutionalized civilians is selec-ted. In every two-year cycle, 7,500 to 8,500 individuals are examined. Participants take part in a detailed battery of health and nutrition-based examinations. To determine nutrient intakes, two 24-hour dietary recalls are performed on non-consecutive days and compared to a database of the nutrient content of foods. The data, once stripped of all information that may identify the participants, are made available for public health purposes on a rolling basis. The CDC provides summary data online, but it is static and can be difficult for public health nutritionists to locate and interpret. As a practicum project for the Masters of Public Health in Nutrition at the University of Massachusetts, Amherst, the data was analyzed, summarized and presented via the new interactive website www.micronutrientcalculator.org. The website provide NHANES data that summa-rizes nutrient intakes, grouped by age, gender, household income and ethnicity, in a format that can be easily accessed and used by Public Health Nutritionists. It uses a visual element to enhance data interpre-tation and identification of risk nutrients, placing intakes in context by linking them to nutritional recommen-dations.
The data presented on the website show some clear trends:
More detailed information can be found at www.micronutrientcalculator.org.”
Based on: Bird J. K. Development of an interactive web-based tool to depict US nutrient adequacies.
SIGHT AND LIFE. 2013; 27(1).
18 October 2012
According to a new US study, a daily intake of a combination of low-dose vitamins and minerals can decrease total cancer incidence by 8%.
14 October 2013
According to a new review, a regular supplementation with B vitamins may reduce stroke events by up to 7%.
3 February 2014
A follow-up study from Finland reports that a supplementation of vitamin E had a preventive effect on prostate cancer development in male smokers, which lasted about eight years after the initial trial and resulted in decreased mortality.