Lip twitching can be caused by successive caffeine intake or other causes that resolve on their own, as a side effect of certain medications, or from serious underlying causes like ALS.

Lip twitching happens when your upper or bottom lip shakes, trembles, or quivers uncontrollably. It may be caused by something as simple as drinking too much caffeine or being low in potassium ...

In response to this PR debacle, Colin Young of Twitching Tongues enlisted some of his “famous” (in the extreme music community) friends for a decidedly different kind of cover: one of Smash Mouth’s ...