Tic disorders are conditions featuring sudden, non-rhythmic movements or vocalizations. A formal tic disorder diagnosis is determined by tic frequency, duration, and type. Tics are non-rhythmic ...

Stress disorders include acute stress disorder, post-traumatic stress disorder, depression, and anxiety. They originate from major stress or traumatic events. Stress is a natural response to life’s ...

When doctors review diagnostic medical scans for lung cancer, they sometimes spot abnormalities unrelated to the lungs. New research shows that some of those abnormalities could be signs of other ...