A8: There are no known adverse effects from eating food, drinking beverages, using medicine, or applying cosmetics that have been irradiated by a cabinet x ray system used for security screening. The radiation dose typically received by objects scanned by a cabinet x-ray system is 1 millirad or less. The average dose rate from background radiation is 360 millirad per year. The minimum dose used in food irradiation for food preservation or destruction of parasites or pathogens is 30,000 rad. For more detailed information on radiation used for food inspection or food treatment, see Title 21 CFR 179, www.FoodSafety.gov, contact FDA’s Center for Food Safety and Nutrition, or contact the United States Department of Agriculture Food Safety Inspection Service.