Patients and doctors are eager for a noninvasive way to diagnose the disease, and several start-ups are offering new options.

A new test using cells collected from urine and vaginal fluid could help rule out uterine and other cancers in most women who ...

A 4-year-old boy presented with fatigue and frequent falls. After falling, he could not stand up using his legs and would instead push himself up with his hands. The aminotransferase levels were ...

Dear Dr. Roach: I was recently admitted to the hospital with pneumonia in both lungs. Given the recent outbreak of Legionella where I live, I was concerned whether I might have had this instead. They ...

Dear Doctor Roach: I was recently admitted to the hospital with pneumonia in both lungs. Given the recent outbreak of Legionella where I live, I was concerned whether I might have had this instead.