DEAR DR. ROACH: I have a daughter (almost 31 years) who is concerned about Charcot-Marie-Tooth syndrome. Her maternal grandmother has been diagnosed with that condition. She is interested in seeking out a genetic test for the condition to learn if she is susceptible. She was referred to a commercial, direct-to-consumer laboratory for the test. How … Continue reading TO YOUR GOOD HEALTH: Commercial lab tests vs. genetic counseling