But people, rather than sea creatures, are by far the biggest recipients of artificial radiation, and most of the exposure is intentional. According to the United Nations reports, from1988 to 2008, the number of examinations worldwide in diagnostic radiology more than doubled, to 3.1 billion from 1.4 billion.
For several countries, the United Nations said in a recent report, the doses from X-rays and CT scans “for the first time in history” have exceeded the natural background radiation.
This is an interesting article, reflecting what I've been saying all along. Ok, Left Coasters, throw away your iodide pills!