EditorialMartina Madaschi smells an extract during a sensory workshop to help people regain olfactory abilities lost to their COVID-19 infections, at the Catholic University ?Sacro Cuore? in Piacenza, Italy, July 19, 2021. (Fabio Bucciarelli/The New York Times)
EditorialFor people who have lost their sense of smell to COVID-19, scent training with various foods and other aromas can help reawaken their olfactory abilities. (Ryan Jenq/The New York Times)