Multivitamins lower the risk of cancer.
The relationship between multivitamins and cancer is complex. In some studies they help...in others they harm...in yet others they don’t change outcomes.
Television ads point to evidence from a single study that shows that taking a certain Centrum product reduces the overall risk of cancer by 8%. This translates to 83 patients needing to take a daily multivitamin for 11 years for one patient to avoid cancer.
But encourage patients to keep things in perspective.