What are Nervous Tics?
Nervous tics typically develop in children, and while many of them are transient and disappear after a few weeks or months, sometimes nervous tics can become a life-long problem that affects adults. Nervous tics are repeated involuntary contractions of one or more muscles and while many parts of the body can be affected, tics occur most commonly in the muscles of the face, arms and shoulders. Common nervous tics include excessive blinking, grimaces of the face, and uncontrollable jerking movements of the arms, legs, or other areas. These involuntary jerks generally occur in sudden bouts, and are almost always an unwelcome experience. Unlike voluntary muscle jerking, nervous tics are very difficult to control, and while some people manage to suppress them for a short time, it usually takes a lot of concentration and can very a very exhausting exercise. In fact, suppressing tics can be described as trying to suppress a sneeze that really wants to come out, and once released; most people
