Vincent Munster and Michael Letko

Before COVID, an NIH lab chief proposed making a SARS-like bat virus more infectious

On a Sunday morning in October 2019, the chief of the virus ecology unit at the National Institutes of Health’s Rocky Mountain Laboratories emailed a postdoctoral scientist in his lab with an idea.

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Ultra-processed foods and our health  

Ultra-processed foods tied to cancer, diabetes, dementia, depression, early death, and more

More than half the calories Americans consume come from ultra-processed foods. Hundreds of scientific studies provide strong evidence that consuming these foods causes serious health risks.

May 7, 2025