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.
Driver's reaction times decreased by 46% while making a call, 37% when texting and driving, and 27% during hands-free calls. Those who were drinking and driving at the limit of 80 mg of alcohol per 100ml of blood, reaction times slowed by 13% and 21% for those under the influence of cannabis. A study by the University of Buffalo revealed that a similar habit, texting while walking, causes more injuries than texting while driving.