By:
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CBS News
Published: April 10, 2012
Updated: April 10, 2012 - 11:21 AM
A new study finds patients who have dental x-rays may increase their risk of brain cancer.
Yale researchers followed 1,400 people over their lifetimes --and found those who had dental x-rays at least once a year had up to double the risk of developing brain tumors.
Patients are exposed to lower doses of radiation now than in the past.
But the American dental association says children and adults should only get x-rays about every two years.
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