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Masaki Fujii's avatar

A Japanese commentator who studied abroad in Russia said the following:

"When we were in Moscow, my wife (who is Russian), my children, and I all got sick a lot, especially in the winter.

Because of the hot water heating, the humidity was very low, around 10%.

I heard from an acquaintance that by using a humidifier to increase the humidity to 50-60%, the chances of getting sick (from colds, etc.) were greatly reduced."

Note from the poster: There are ultrasonic and boiling types of humidifiers. Ultrasonic humidifiers are bad because they allow bacteria to grow in the water and spread throughout the room. Boiling types use a little more electricity, but are more hygienic.

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