Bulletin Today | Personal HealthGrapefruit juice can interfere with a lot of prescription and nonprescription drugs, but cancer researchers found that the tart juice helps the body absorb more of a promising medication, reducing side effects and saving patients money because they need smaller doses. Cancer researchers at the University of Chicago found that a glass of grapefruit juice increased the body’s uptake of a powerful drug called sirolimus, which allowed doctors to cut the drug dosage by a third to get the same …