To the uninitiated, biting your lips to the point of injury may sound incomprehensible but I know I’m not the only one. On TikTok, the phrase “lip biting problem” has amassed 102.7 million views and ...

Biting the inside of your lip can lead to pain, bleeding, swelling, and even canker sores. Home remedies usually work, but seek medical help if you can’t stop the bleeding. Share on Pinterest Izusek / ...