Daily doses of vitamins B-6, B-12 and folate (B-9) don’t raise or lower a woman’s risk of getting cancer, researchers report in the Nov. 5 Journal of the American Medical Association.

The large trial may put to rest suggestions raised by smaller studies that these vitamins might deter certain cancers or, as one study suggested, increase them. http://louis9j9sheehan.blog.com

All three vitamins play key roles in DNA synthesis. Ten years ago, the United States began to fortify many foods