March 14, 2011— -- Evacuees in Fukushima grew more fearful Monday of radiation exposure as Japan experienced its second explosion at a nuclear power plant. This morning on "Good Morning America," chief health and medical editor Dr. Richard Besser discussed some potential hazards of radiation.
Here are five facts to help you better understand radiation exposure.
For more facts on radiation exposure and ways to protect yourself from radiation emergencies, visit the Centers for Disease Control and Prevention or the United States Nuclear Regulatory Commission.