Article content If there is no response, she uses more robust scents, such as spice and musk. “What’s been happening is we’re training people to, I like to say, smell with your brain… I can see almost the fog lifting. And then they can start to smell again. And it’s really amazing.” After visiting Philips, Shah’s father said Sahil’s smell is now at about 25%. “It’s better than zero.” A panel of experts recommended in a paper https://bit.ly/3iD6D9B published in January in the Journal of Allergy and Clinical Immunology that COVID-19 patients who lost their sense of smell receive a form of “smell rehab” known as olfactory training.