Researchers at the University of Southern California (USC) have broken new ground, linking forever chemicals in the blood to poor sleep.
Researchers at the University of Southern California have broken new ground, linking "forever chemicals" in the blood to poorTheir study included more than 140 19- to 24-olds who had given blood samples several years apart as part of a separate USC health study.
Study participants with the highest blood levels of the first three of those chemicals slept, on average, about 1 hour and 20 minutes less every night than participants with the lowest levels. The four chemicals were widely used from the 1950s to early 2000s, but they have been largely phased out in favor of other compounds whose safety is unknown.
Of more than 600 gene candidates, seven activated by PFAS seemed to affect sleep, researchers said. One was an immune-oriented gene that helps produce the hormone cortisol. Cortisol plays a big part in regulating sleep-wake rhythms.
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