LAST WEEK, at the bottom of a New York Times story about the Zika virus outbreak, an old and controversial insecticide made a brief appearance. DDT, made famous for its environmental consequences by Silent Spring, Rachel Carson’s 1962 book, was being “mentioned a bit” as a possible means to eradicate Aedes aegypti, the Zika-carrying mosquito, the Times wrote.
DDT works as a neurotoxin, killing mosquitoes and other pests brain-first. Scientists determined decades ago that DDT also causes serious environmental damage, leading the U.S. to ban the chemical in 1972; the 150 parties to the 2001 Stockholm Convention on Persistent Organic Pollutants also agreed to put an end to its use. Recent studies have drawn connections between DDT and neurotoxic health effects in humans, like Alzheimer’s, Parkinson’s disease, breast cancer, diabetes…