Multiple Dental X-rays Link To Increased Risk of Thyroid Cancer

The risk of developing thyroid cancer increases with the number of dental x-rays that are taken, according to new research.
About 1,900 new cases of thyroid cancer are diagnosed each year in the UK and the incidence rates have more than doubled from 1.4 to 2.9 per 100,000 people between 1975 and 2006.