DEAR DR. ROACH: My daughter, 45, has had a paralyzed left vocal cord for about a year now. We have been to an ear, nose and throat (ENT) doctor who ran at least a half dozen tests, including several scans. These didn’t show a reason for the problem, and everything else appeared to be normal. She had a cold before this happened, and we were treating her for a lingering sore throat.
The doctor has to…