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Increased intakes of folic acid by mandatory fortification of grain products to reduce neural tube defects may also reduce a baby’s risk of severe congenital heart defects, says a new study. The incidence of the heart problems was reduced by 6 per cent following mandatory fortification of grain products, introduced in Canada in 1998, researchers from McGill University and the University of Alberta report in the British Medical Journal.

Consuming cheese from ewe’s milk, rich in conjugated linoleic acid (CLA), may reduce markers linked to heart disease, suggest results from a small Italian study. Researchers from the University of Florence report that ewe’s milk rich in cis-9, trans-11 CLA produced favourable changes in inflammatory cytokines and platelet aggregation, both of which are associated with atherosclerosis, or hardening of the arteries due to the build-up of fatty deposits on artery walls. Atherosclerosis is the primary cause of coronary heart disease (CHD), which costs the British public health system more than €5bn per year. “These observations, although preliminary and obtained in a limited study group, seem to be of relevance for the practical implications in terms of nutrition and health of the general population,” wrote the researchers in Nutrition, Metabolism and Cardiovascular Diseases.

Critics of the chemical bisphenol A or BPA have received powerful new ammunition in the form of a study from the Harvard School of Public Health (HSPH) which confirmed that the substance can leach from polycarbonate drinking bottles into humans. The study revealed that participants who drank for a week from polycarbonate bottles and baby bottles showed a two-thirds increase of BPA in their urine. According to HSPH: “The study is the first to show that drinking from polycarbonate bottles increased the level of urinary BPA, and thus suggests that drinking containers made with BPA release the chemical into the liquid that people drink in sufficient amounts to increase the level of BPA excreted in human urine.”