One morning, Courtney Dunlop, 41, of Springfield, Missouri, was massaging on a face cream she thought was unscented when she detected the aroma of roses. How could an unscented product suddenly have a fragrance, she wondered. It ain’t magic, but neuroscience: Dunlop’s sense of smell had finally made a full recovery, one and a half years after she was infected with the COVID-19 virus.
Loss of smell, or anosmia, was one of the pandemic’s most widely discussed symptoms, but it’s not exclusive to COVID. “There are actually hundreds of reasons someone can lose their sense of smell,” says Zara Patel, MD, an associate professor of otolaryngology at Stanford Medicine. And a handful of them are revving up this time of year: the flu, rhinoviruses, sinusitis (congested, inflamed nasal passages), and…
