Dr. Kevin Powell is concerned about the amount of money wasted in health care in the U.S. ($750 billion in 2009):

I recall a TV series where in each episode a patient arrives at the hospital emergency department and a brilliant young intern rattles off a litany of tests before examining the patient. It makes a good action script but bad medical care.

And he wonders about the risks and costs of CT scans for head injuries in children:

¬†Given recently published data on the risks of radiation, is a head CT of a child who bumped his head really indicated “just to be on the safe side” or is it harmful defensive medicine?

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