No matter where you live or when you were born, you almost surely have at least asmall amount of DDT stored in the fatty tissues of your body. Why? Thisnotorious toxic pesticide, which led to the extinction of the American bald eagle in1970s, has long been banned in the U.S. and most other developed countries.But according to a new report by the World Wildlife Fund in Washington, DDTis still used in many developing nations, mainly because it’s so effective incontrolling mosquitoes that carry the malaria parasite.