American diets got briefly healthier, more diverse during COVID-19 pandemic – Penn State News July 8, 2024December 19, 2024 Tara MatherNews Click here to read the full article in Penn State News. Image Credit: Nick Fewings/Unsplash. All Rights Reserved. American diets may have gotten healthier and more diverse in the months following the start of the COVID-19 pandemic, according to a new study led by Penn State researchers.