You walk out of a doctor's clinic clutching a white sheet of paper that looks like a secret code. The pharmacist squints, nods like a detective who's cracked the Da Vinci code, and hands you a bag ...

If you've ever looked at an allergy report and felt like it's written in code, you're not alone. A few years ago, I found myself staring at a stack of papers from a diagnostic lab. My sinuses had been ...