The researchers found that people who had had a meningioma were more than twice as likely as those who had not to have had at least one bitewing X-ray.

ECONOMIST: Confirmation that dental X-rays can be bad for you

Moreover, guidelines from the American Dental Association state that healthy adults should have a bitewing X-ray no more than once every two or three years, and that there is little reason to X-ray patients who do not have symptoms.

ECONOMIST: Confirmation that dental X-rays can be bad for you