imaging tests

(Newser) - The top radiation source Americans should be worrying about isn't airport scanners or microwaves—it's medical tests. The US leads the world in the amount of radiation its population gets from medical scans, and the average American's dose has grown more than sixfold in recent decades. Patients are being given...

(Newser) - Back pain is one of the US' most persistent health problems, but despite new treatment possibilities, Newsweek reports, cures remain elusive. Americans spent $85.9 billion in 2005 on medical costs relating to back pain, up from $52.1 billion in 1997. "We seem to be doing more and...