News tagged with higher levels

Are yawns really contagious?

(HealthDay)—We've all "caught" yawning from other people, but why that happens is unclear, according to a psychologist who has researched the behavior.

May 26, 2018
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Toxins produced by e-cigarettes vary by flavor

The flavor of an e-cigarette may affect more than a consumer's taste buds, according to Penn State researchers who say the chemicals that make up different flavors also produce different levels of free radicals, toxins often ...

Apr 09, 2018
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