Dichloro-diphenyl-trichloroethane, popularly referred to as DDT, is an organochlorine that was first synthesized in 1874. People who came in contact with DDT reported rashes or irritation of the eyes, nose, and throat. What happens to DDT when it enters the environment? Top, a truck sprays DDT in 1945 to … Chlorinated hydrocarbons were found in the seminal fluid and cervical mucus of infertile patients, suggesting a role for these chemicals in reproductive problems. DDE and DDD enter the environment as a contaminant or breakdown product of DDT. Read More.. (ATSDR, 2002). DDT was one of the first chemicals in widespread use as a pesticide. Today, nearly 40 years after DDT was banned in the U.S., we continue to live with its long-lasting effects: Banned for agricultural uses worldwide by the 2001 Stockholm Convention on Persistent Organic Pollutants, the use of DDT is still permitted in small quantities in countries that need it, with support mobilized for the transition to safer and more effective alternatives. Many DDT promoters are also in the business of denying climate change. Resistance Management Strategies for managing genetic resistance in order to maximize the period in which a pesticide is useful; it delays the evolution of genetic resistance. DDT exposure occurs from inhalation, skin contact and ingestion of contaminated food. Several hazardous waste sites, including Superfund sites, contain DDT and can act as sources of exposure. It is a highly hydrophobic, colorless, crystalline solid with a weak, chemical odor. Support Birth Defect Research for Children (#10374) today in the CFC database. One study reported an association between DDT and malignant lymphoma. DDT was one of the first chemicals in widespread use as a pesticide. Following the hearings, President Kennedy convened a committee to review the evidence Carson presented. Through its use, the number of soldiers dying from malaria dropped from 400,000 in 1946 to less than 1… After the war, DDT was widely used on a variety of agricultural crops and for the control of disease vectors as well. Although DDT remains legal for insecticide use in most areas where malaria is a major killer, the money for fighting the mosquitos often comes from donors in wealthy countries like the United States. DDT is a persistent organic pollutant pesticide, which can cause diseases like cancer, endocrine disorder, disruption of immune system, embryonic abnormality, reproductive disorder, etc. The half-life (the time it takes to break down half its concentration) is some 40 years. • DDT was initially used by the military in WW II to control malaria, typhus, body lice, and bubonic plague (1). DDT, abbreviation of dichlorodiphenyltrichloroethane, also called 1,1,1-trichloro-2,2-bis (p-chlorophenyl)ethane, a synthetic insecticide belonging to the family of organic halogen compounds, highly toxic toward a wide variety of insects as a contact poison that apparently exerts its effect by disorganizing the nervous system. Following World War II, it was promoted as a wonder-chemical, the simple solution to pest problems large and small. Chronic DDT absorption results in storage in fatty tissues. DDT is designed to be especially toxic to insects, and other species such as birds are more sensitive than mammals such as humans. DDT has induced chromosome mutations in humans and animals in some studies, but not in others. DDT (dichlorodiphenyltrichloroethane) is a pesticide once widely used to control insects in agriculture and insects that carry diseases such as malaria. DDT, DDD, and DDE are found throughout the world; even areas far from their use; bound soil particles are transported by the wind and water; and, in the bodies of migrating species of animals. It breaks down into several related compounds, such as DDD and DDE that are as toxic as DDT. Examples of pesticides are fungicides, herbicides, and insecticides. Residual DDT is determined by testing the blood, fatty tissue, or breast milk and semen. Her credibility as a scientist was attacked, and she was derided as “hysterical,” despite her fact-based assertions and calm and scholarly demeanor. DDT, also known as dichloro-diphenyl-trichloroethane, belongs to a class of pesticides called organochlorides.It is a synthetic chemical compound that doesn’t occur in nature. Why was DDT used? Benefits of Pesticides. Liver cancer has been observed in experimental animals exposed to DDT. DDT is a persistent organic pollutant, meaning that it breaks down slowly over decades, easily entering the food chain. DDT's insecticidal properties were not, however, discovered until 1939 by the Swiss scientist Paul Hermann Müller, who wa… People are most likely to be exposed to DDT from foods, including meat, fish, and dairy products. DDT use to enter the environment when it was used as a pesticide. Chronic lymphatic leukemia has been associated with occupational exposure to DDT. DDT is an endocrine disrupting chemical (EDC). Top predators, such as humans, can accumulate DDT in their body fat at many thousand times the background levels found in the soil. The US Environmental Protection Agency (EPA) has placed DDT in Class B2: probable human carcinogen, Birth Defect Research Children, Inc. This free Fact Sheet is made possible by the generous support of donors like you. DDT was effective in preventing malaria and other insect-borne human diseases. It was initially used with great effect to combat malaria, typhus, and the other insect-borne human diseases among both military and civilian populations. One of the new EPA's first acts was to ban DDT, due to both concerns about harm to the environment and the potential for harm to human health. Her work attracted outrage from the pesticide industry and others. The development of a new technique for the detection of DDT which was extremely sensitive allowed traces to be found in many things such as breast milk and food as well as wildlife. This website provides easy access to all the pesticide-related information that is contained in various pesticide topical sites. 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