Doctors exposed to radiation have cells which protect them - KWWL - Eastern Iowa Breaking News, Weather, Closings

Doctors exposed to radiation have cells which protect them

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WATERLOO (KWWL) -

Cardiologists who work in a cath lab are exposed to radiation as part of their job.

Now researchers have evidence their cells are changing to protect their body.

A new study compared the blood of ten interventional cardiologists to that of ten healthcare workers not exposed to radiation.

They found levels of antioxidants that protect cells from damage were higher in the cardiologists, as well as compounds that kill damaged and potentially cancerous cells.

Experts say they believe the chronic radiation exposure was starting to damage cells, so the doctors' bodies triggered a protective response.

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