CBD, made from hemp, is being hyped as treatment for pain, nausea and a variety of maladies. But studies so far do not show benefit in humans. ElRoi/Shutterstock.com Jenny Wilkerson, University of Florida and Lance McMahon, University of Florida Cannabidiol, or CBD, has become a household name. On many social media sites, people suggest “but have you tried CBD oil?” …

Moderna’s new mRNA vaccine is almost 94.5% effective in large-scale trials. JUSTIN TALLIS/AFP via Getty Images Sanjay Mishra, Vanderbilt University As the weather cools, the number of infections of the COVID-19 pandemic are rising sharply. Hamstrung by pandemic fatigue, economic constraints and political discord, public health officials have struggled to control the surging pandemic. But now, a rush of interim …

Could SARS-CoV-2 evolve to dodge the vaccine? Jose A. Bernat Bacete/Moment collection/Getty Images Andrew Read, Penn State and David Kennedy, Penn State The first drug against HIV brought dying patients back from the brink. But as excited doctors raced to get the miracle drug to new patients, the miracle melted away. In each and every patient, the drug only worked …