What price will the United States pay in the name of security? A PBS NewsHour investigation published earlier this month reported that as many as 100 Americans could develop cancer each year due to radiation emitted by full-body X-ray scanners, which continue to pop up en masse at airports across the US.
One of the most important principles of radiation safety is that X-ray machines should only be used when there's a clear medical benefit. But now backscatter X-ray machines are found throughout America's airports. How did we get here?