In a nested, case-control study involving 636 women diagnosed with incident breast cancer and 1,272 controls, increased 25(OH) vitamin D(3) serum concentrations were associated with a decreased risk of breast…
Classic vitamin deficiency syndromes, such as scurvy or beriberi, are uncommon in Western cultures. Suboptimal levels of some vitamins may result in chronic diseases. Suboptimal levels of folic acid in…
In this article, the authors review evidence from epidemiological studies, observational studies, one randomized trial and studies investigating the mechanisms through which vitamin D may help to prevent cancer. Studies…
In a cross-sectional study involving 278 long-term users of multiple dietary supplements, 176 users of a multivitamin/mineral supplement, and 602 non-users of supplements, the users of multiple dietary supplements were…