That is often what happens with an autoimmune disorder called masticatory muscle myositis (MMM) that affects the jaw muscles, causing pain and dysfunction. Swollen, painful masticatory (chewing) muscles and an inability to open the mouth (trismus) are clinical signs of the disorder.
Alan Roger Mulally (born August 4, 1945) is an American engineer, business executive, and former President and Chief Executive Officer of the Ford Motor Company. He retired from Ford Motor Company on July 1, 2014.
Bill Gates quits as Microsoft chairman and Satya Nadella is named chief executive. Co-founder takes up new hands-on role as tech adviser as insider succeeds Ballmer. Bill Gates has quit as Microsoft chairman to take up a new role as technology adviser in a management shake-up that will see Satya Nadella become chief executive.