Scientists finally know why people get more colds and flu in winter – CTV

Scientists finally know why people get more colds and flu in winter – CTV

by tmnationtalk on December 6, 202269 Views

Dec. 6, 2022

A chill is in the air, and you all know what that means — it’s time for cold and flu season, when it seems everyone you know is suddenly sneezing, sniffling or worse. It’s almost as if those pesky cold and flu germs whirl in with the first blast of winter weather.

Yet germs are present year-round — just think back to your last summer cold. So why do people get more colds, flu and now COVID-19 when it’s chilly outside?

In what researchers are calling a scientific breakthrough, scientists behind a new study may have found the biological reason we get more respiratory illnesses in winter. It turns out the cold air itself damages the immune response occurring in the nose.

“This is the first time that we have a biologic, molecular explanation regarding one factor of our innate immune response that appears to be limited by colder temperatures,” said rhinologist Dr. Zara Patel, a professor of otolaryngology and head and neck surgery at Stanford University School of Medicine in California. She was not involved in the new study.

Read more: https://www.ctvnews.ca/health/scientists-finally-know-why-people-get-more-colds-and-flu-in-winter-1.6182625

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