What can cause tics

Tics, either vocal or physical, don’t really have a specific cause that has been found yet. We do know that it’s NOT all in the head, as was once thought. What you can do is get plenty of rest and try to go with the flow rather than stressi…

http://answers.ask.com/Health/Diseases/what_causes_tics

Tics – sudden, repetitive motor movements / vocalizations – can be caused by Tourette syndrome and abnormalities in brain regions.

http://www.chacha.com/question/what-can-cause-tics

The cause of tic disorders is often unknown , although research suggests that tics are more than likely linked to genetics (meaning you may be predisposed to getting a tic) or related to brain chemical abnormalities. Tics are usually not ha…

http://www.nativeremedies.com/ailment/tic-disorders-treatment-info.html