Diseases caused by worms and parasites are draining the health and energy of the poorest Americans, an expert said on June 24. And diseases associated with the developing world, such as dengue fever and Chagas disease, may become a bigger problem for the United States as the climate changes, said Dr. Peter Hotez of George Washington University and the Sabin Vaccine Institute in Washington. “The message is a little tough because they are not killer diseases ? they impact on child development, intellectual development, hearing and sometimes even heart disease,” Hotez said. (Reuters)

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