Why Some Experts Say Humidifiers Could Help Against Covid-19

Your warm, dry home can be a hotbed for Covid-19 infections, but is a humidifier helpful and safe?

Photo: MICROGEN IMAGES/SCIENCE PHOTO LIBRARY/Getty Images

“The virus is more stable as the temperature and the humidity decrease, and it is less stable as the temperature and humidity increase.”

Humidity is relative

The filtering system and other aspects of our immune system don’t work as well in dry air, somewhat like how a dry sponge doesn’t work as well as a wet one.

Why viruses love winter

Humidifiers have their own risks

The bottom line

Independent health and science journalist, former editor-in-chief of LiveScience, writing about how we age and how to optimize your mind and body through time.

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