U.S

Wildfire smoke reached 99% of U.S. lakes in 2019-2021

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Where there’s smoke, there’s not necessarily fire. Wildfire smoke, sometimes drifting from hundreds of miles away, touched nearly every lake in North America for at least one day per year from 2019 to 2021, according to a study from the University of California, Davis. Even more significantly, the study, published in the journal Global Change … Read more

‘Eolving’ opioid epidemic across U.S.

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The heart of the opioid epidemic that killed 665,341 people in the United States between 2005 and 2020 shifted geographically from the Northwest to the East, according to a new geographical analysis. In a study published in the journal The Lancet Regional Health — Americasepidemiologists at the University of Cincinnati tracked the epicenter of this … Read more