"Evidence does not support that an apple a day keeps the doctor away," according to the abstract of a paper published on the web site of the Journal of the American Medical Association today.
However, "the small fraction of US adults who eat an apple a day do appear to use fewer prescription medications."
That's according to the paper "Association Between Apple Consumption and Physician Visits: Appealing the Conventional Wisdom That an Apple a Day Keeps the Doctor Away" (JAMA Intern Med doi:10.1001/jamainternmed.2014.5466).