We've all grown up with certain "facts" about medications and health that feel totally obvious. Take an antibiotic for that cold. Grapefruit only matters with one or two meds. A higher dose means faster results. Except... some of those aren't quite right. And a few of them could actually get you into trouble. Here are eight of the most common medication myths we hear — and what the real story is. Myth #1 : "Antibiotics Will Help Me Get Over This Cold Faster" When you're mise