This Oct. 11, 2012 photo provided by the Brigham and Women's Hospital shows a monthly calendar vitamin pack used in a long-term study on multivitamins. America's favorite dietary supplements, multivitamins, modestly lowered the risk of developing cancer in healthy male doctors who took them daily for more than a decade, the first large study to test these pills has found. The study was published online in the Journal of the American Medical Association on Wednesday, Oct. 17, 2012. (AP Photo/Brigham and Women's Hospital)

Associated Press
This Oct. 11, 2012 photo provided by the Brigham and Women's Hospital shows a monthly calendar vitamin pack used in a long-term study on multivitamins. America's favorite dietary supplements, multivitamins, modestly lowered the risk of developing cancer in healthy male doctors who took them daily for more than a decade, the first large study to test these pills has found. The study was published online in the Journal of the American Medical Association on Wednesday, Oct. 17, 2012. (AP Photo/Brigham and Women's Hospital)
This Oct. 11, 2012 photo provided by the Brigham and Women's Hospital shows a monthly calendar vitamin pack used in a long-term study on multivitamins. America's favorite dietary supplements, multivitamins, modestly lowered the risk of developing cancer in healthy male doctors who took them daily for more than a decade, the first large study to test these pills has found. The study was published online in the Journal of the American Medical Association on Wednesday, Oct. 17, 2012. (AP Photo/Brigham and Women's Hospital)
View Comments (0)