After a radiation emergency, food and water sources may become contaminated with radioactive material. Consuming contaminated food and water will cause radioactive material to get inside your body, but you can eliminate or reduce the amount of contamination by taking a few precautions. Other videos focused on protective actions for radiation emergencies can be found here: http://emergency.cdc.gov/radiation/protectiveactions.asp Comments on this video are allowed in accordance with our comment policy: http://www.cdc.gov/SocialMedia/Tools/CommentPolicy.html This video can also be viewed at http://www.cdc.gov/wcms/videos/low-res/NCEH/2015/food_and_water_safety_922294.mp4