Editor’s note: Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. (CNN) — There’s a chill is in the air, and you all know what that means — it’s time for cold and flu season, when...
There’s 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.
In fact, reducing the temperature inside the nose by as little as 9 degrees Fahrenheit kills nearly 50% of the billions of helpful bacteria-fighting cells and viruses in the nostrils, according to the 2022 study published in At that point, cells lining the nose immediately begin creating billions of simple copies of themselves called extracellular vesicles, or EV’s.
Once created and dispersed out into nasal secretions, the billions of EV’s then start to swarm the marauding germs, Bleier said. So, the nose comes to battle armed with some extra superpowers. But what happens to those advantages when cold weather hits?
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