Tic is a muscle disorder that usually starts in childhood and is very common especially among males. This kind of problem is not really serious and it can be healed over a period of time but sometimes it can be disgusting because they can interfere our daily activities.
Tics are uncontrollable and unwanted movements of the muscles that can occur in any parts of the body.
Many of these cases can be resolved within a year. Uncontrollable movements of the limbs are known as motor tics.
Tics can happen when you are suffering from stress, anxiety, tiredness, excitement or happiness.