'Ultrashort' PFAS compounds detected in people and their homes

Per- and polyfluoroalkyl substances (PFAS) have become ubiquitous throughout the environment, and increasing evidence has demonstrated their deleterious effects. A group of smaller, fluorinated compounds are becoming replacements ...

Geneticists zeroing in on genes affecting life span

Scientists believe about 25 percent of the differences in human life span is determined by genetics—with the rest determined by environmental and lifestyle factors. But they don't yet know all the genes that contribute ...

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