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3 votes

What is the health effect of low indoor humidity?

According to below chart (in which the source from 1986 is also stated) the optimal indoor air humidity for human health is between 40-60%, as close to 50% as possible. The low humidity levels you ...
Bob Ortiz's user avatar
  • 1,039
3 votes

Do humidifiers help cure the flu?

There is a mixed, but largely unconvincing evidence that increased moisture within the nose would help to prevent or cure flu or common cold. Common colds: Relief for a stuffy nose, cough and sore ...
Jan's user avatar
  • 15.9k

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