Restless tics are repeated involuntary contractions of one or more muscles. Many parts of the body can be affected, but tics can commonly occur in the muscles of the face, arms, and shoulders. Common tics include excessive blinking, grimaces of the face, and uncontrollable jerking movements of the arms, legs, or feet. These involuntary jerks can generally occur in sudden, rapid bouts. Some people manage to suppress them for a short time, though it can usually take a lot of concentration in an exhausting exercise. Suppressing tics can be described as trying to suppress a sneeze. Once released, most people can feel a sense of relief afterwards. The cause of tics is not fully understood. However, there are a number of factors that seem to play a role, including genetics, diet deficiencies, an.
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