Google Trends reports often inform us of what people are searching for online at any given time, and ever since winter’s chill has set in, a hugely popular search has been humidifiers and the benefits ...

A humidifier is a device designed to add moisture to the air by releasing water vapor or steam. Humidifiers can alleviate issues such as dry skin and frequent nosebleeds, often exacerbated by dry air.

Experts warn that even the best humidifiers need to be cleaned—and not just at the end of winter. The reason has to do with how a humidifier works. “By its nature, there is water passing through a ...