More than half of U.S. adults (125 million) had a musculoskeletal pain disorder in 2012, according to the U.S. Centers for Disease Control. Though it is not yet clear that connected health devices can help people manage or alleviate such pain, the wide extent of such problems suggests the potential for such innovatins.Just over 20 percent of U.S. adults had arthritic conditions (22.1 percent) or
