(NaturalNews) No matter how many times the US Transportation Security Administration (TSA) claims the machines are safe and pose no threat to travelers or personnel, naked body scanners that emit ionizing radiation are, indeed, a very serious health threat. And Dr. Edward Dauer, head of radiology at Florida Medical Center, agrees, having recently come forward to explain that naked body scanners can cause cancer, particularly in those over age 65 and in women who are said to be genetically prone to developing breast cancer.