DEAR DR. ROACH: Ten to 15 years ago, I had to constantly clear my throat and it was driving me and everybody around me nuts. You had written a column about chronic throat-clearing. In the article, you ...

Dear Dr. Roach: I am a 77-year-old female who recently had an abdominal and pelvic cat scan to rule out diverticulitis, and it came back showing a left staghorn calculus measured at 2-by-3 centimeters ...