December 12, 2023 Edition |
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| Air pollution from coal power plants was associated with greater mortality than previously thought, but such deaths have decreased due to air pollution regulations and coal power plant retirements. |
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| While contracting COVID-19 increased the risk of preterm birth between 2020 and 2022, the risk then faded, due in large part to SARS-CoV-2 vaccines. |
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| Scientists found that tiny plastic particles can enter nerve cells, impair breakdown of structures linked to Parkinsons disease, and harm certain brain regions in mice. |
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