Why climate change means more blood shortages: Q&A with HHS’ Rachel Levine “The only way to solve this is more donations,” said HHS's Rachel Levine. Theresa Gaffney STAT

This summer, the American Red Cross declared an emergency blood shortage in the U.S. There’s a seasonal pattern to blood donations, which often dip over the summer and during the winter holidays. But experts also say that climate change disrupts the national blood supply, with extreme heat and worsening storms in certain regions keeping people away from blood banks.

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Common diabetes drug linked to lower rate of long COVID Metformin is the most common type 2 diabetes drug prescribed to millions of American each year, and a new study from researchers at the National Institutes of Health (NIH) published in Diabetes Care suggests the drug can lower the risk of developing long COVID, or post-acute sequelae of SARS-CoV-2 infection (PASC), in diabetics. CIDRAP

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Metformin lowers blood sugar and is most commonly prescribed as a first-line treatment for type 2 diabetes. The drug also is prescribed off-label for weight loss and other metabolic conditions.

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