"Of the 435 ER physicians asked about the tests they order for their patients, more than 85% admitted that in general, they call for too many tests, even if they know the results won’t really help them decide how to treat their patients. Reporting in the journal Academic Emergency Medicine, the authors also say that nearly all of the doctors—97%—admitted to personally ordering unnecessary imaging tests."

March 2015
https://time.com/3754900/d...