1 clenching your jaw or grinding your teeth during sleep (bruxism) â which overworks the jaw muscles and puts pressure on the joint (often caused by stress) 2  wear and tear of the inside of the jaw joint â usually caused by osteoarthritis.  injury to the jaw joint â for example, after a blow to the face or surgery.
On November 1, 2014, maximum fines for cell phone and/or texting use while driving will increase (for cell phone and texting violations committed on or after November 1, 2014): For a first offense, $50 to $200. For a second offense committed within 18 months, $50 to $250.
Cell phone use and car crashes. Most of the information you hear or read about distracted driving is focused on cell phone use while driving. Evidence shows cell phone use is neither the most dangerous of distractions for drivers, nor is it the most common cause of car collisions. In a Virginia Tech 100 car study, The most dangerous distracted driving activity was reaching for a moving object, making a crash almost 9 times more likely.