January 9, 2023 – By Nina Bai In a Stanford Medicine-led study, patients whose sense of smell was affected by COVID-19 were helped by injections of platelet-rich plasma derived from their own blood.frantic00/Shutterstock.com Early in the pandemic, when people with COVID-19 began reporting that they lost their sense of smell, Zara Patel, MD, figured as much. A...
