Environment

Toxic, long-lasting contaminants detected in people living in northern Canada

Researchers have recently found that several long-lasting human-made contaminants have been building up in Arctic lakes, polar bears and ringed seals and other wildlife. These contaminants belong to a family of chemicals called polyfluoroalkyl and perfluoroalkyl substances (PFAS), and are used in food packaging, waterproof clothing and firefighting foams. The true number of PFAS that...

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