In clinical studies worldwide, researchers are testing the possibility that supplements of the vitamin could prevent or decrease the severity of SARS-CoV-2 infections.

Scrutinizing a company’s study on a widely used pesticide, chlorpyrifos, academic researchers find shortcomings in analyses and public disclosures of results.

H. Gilbert Welch, a health policy expert who has advocated against superfluous cancer screening, published another Dartmouth researcher’s work, according to the university administration.