This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Kate Linebaugh: Last week I got on the phone with a girl who's been suffering ...

Tics are hard to describe. It’s this tension, energy, pressure that builds up until you tic and you get a bit of relief—but only for a moment. You tic until you get that "just right" feeling, and then ...

A facial tic is an involuntary, uncontrolled spasm in the facial muscles. The tic is unwanted and generally occurs regularly enough to be a nuisance to the person who experiences it. A person can hold ...