Obese people at risk with X-rays?

Concerns are being raised about the higher levels of radiation given to overweight and obese people by X-rays.Overweight and obese patients are usually given higher than normal doses of radiation to get usable X-ray images.

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Exposure can be up to 40 times as much for an overweight patient than a slender person.

Scientists say more research is needed on the long-term effects of such high doses.

The study is reported in the July issue of Radiology.

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