Health encyclopaedia - Alphabetical Topic List

| A | | B | | C | | D | | E | | F | | G | | H | | I | | J | | K | | L | | M |
| N | | O | | P | | Q | | R | | S | | T | | U | | V | | W | | X | | Y |

Causes of Tics

Tics do not necessarily indicate a problem or disorder. They can often be controlled by an effort of will.  However, since they appear to release emotional tension, such control can be difficult or unpleasant.