Previous research has linked vitamin D deficiency to a higher risk of getting COVID-19 and experiencing more severe disease, especially among Black and Hispanic individuals. A new observational study suggests that even “sufficient” vitamin D levels, as guidelines currently define them, are associated with a higher risk of COVID-19 for Black people. Current guidelines for
A study links the consumption of ultra-processed foods with the shortening of the body’s telomeres. Telomeres are structures located at the ends of our chromosomes. Although they contain no genetic information themselves, they preserve the integrity of chromosomes by keeping their ends from fraying, much as shoelace tips protect the laces. Telomeres become shorter and
Have you ever heard that taking vitamin D supplements or following a ketogenic (keto) diet will protect you from the new coronavirus? In this Special Feature, we explain why these and other persistent myths are not grounded in science. Even before the World Health Organization (WHO) declared the new coronavirus outbreak a “pandemic,” their director
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