A genetic risk factor could explain why some people lose their senses of smell and taste when they get infected with COVID-19, according to a new study.
/webmd/consumer_assets/site_images/article_thumbnails/video/1800x1200_krames_activating_health_how_mrna_vaccine_works_video.jpgResearchers at 23andMe, a genomics and biotechnology company, did the study as part of a larger COVID-19 project, which includes people in the U.S. and the U.K. They analyzed data from nearly 70,000 people who took online surveys after receiving a positive coronavirus test. Among those, 68% reported a loss of smell or taste as a symptom.and taste and those who didn’t.
The research team also found that women were 11% more likely than men to report a loss of smell and taste. About 73% of those who reported a loss of smell and taste were ages 26-35. The researchers aren’t sure how the genes are involved, though they suspect that infected cells could lead to smell loss. Typically, the genes are expressed in tissue inside the nose involved with smell and play a role in processing things that have an odor. To use the findings, researchers need to learn more about the genes, how they are expressed, and what their functions are, NBC News reported.
The findings could help lead to treatments. Other research has shown that the loss of taste and smell is related to a “failure to protect the sensory cells of the nose and
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