Sun-Sentinel -- From coffee shops to bingo halls and wherever seniors gather throughout America, the talk these days is about modern science and how those who have been in pain for years now have routine knee or hip replacements. Medical devices, too, such as pacemakers or stents, are extending the lives and improving the quality of life for older Americans. As the first of 78million Baby Boomers begin to retire this year, they will enroll in Medicare, and many will have these procedures.
