Key Points Dirty humidifiers can develop bacteria and mold that are expelled into the air.Regular cleaning helps keep a humidifier working well and safe to use.Use vinegar, hydrogen peroxide, or ...

Low dew points are creating dry air conditions that contribute to physical irritations like coughing and dry skin.

This will sound gross, but I’ve never deep cleaned my hairbrushes and combs. Sure, I’ve cleaned out the trapped hair that gets on the brush after I use it, but I’ve never done anything more than that.

Over several months, three health and smart home experts monitored air quality in different locations. This is what surprised us.