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.

During Trump's recent address to Congress, as he introduced "The First Lady of the United States", cameras caught Melania's lip twitching. This incident was quickly shared online, with one ...

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 ...