The secondary analysis of a US randomized, double-blind, placebo-controlled clinical trial suggested that vitamin D3 apparently reduced the risk of developing advanced cancer among adults who have normal but not elevated body mass index (BMI). The trial included 25 871 randomized participants (51% female; mean age, 67.1 years), 1617 were diagnosed […]
A US study suggested that genetic variations may be at play with vitamin E, increasing cancer risk in some individuals while decreasing risk for others. Multiple pathways may link the enzyme catechol-O-methyltransferase (COMT) to the vitamin E supplement, alpha-tocopherol, and cancer. The most extensively studied variant in COMT comes in […]
A nationwide, randomized, placebo-controlled trial revealed that daily supplementation with high-dose vitamin D or n-3 fatty acids for 5 years among initially healthy adults in the US did not reduce the incidence of cancer or the incidence of major cardiovascular events. The trial included 25,871 participants (5106 black, ages >/=50 […]