Cold weather means drier air, especially indoors once the thermostat is cranked up. That dry air can be blamed for spreading colds, cracked skin, itchy eyes, hacking coughs, and irritated sinuses.

Running a humidifier can be a great way to add moisture to dry indoor air. But keep in mind that dirty humidifiers can create a dangerous environment. Uncleaned machines can emit harmful particles ...

Humidifying a room takes finding a balance. Too little humidity can mean congestion, nosebleeds, and dry skin or extra-sensitive eczema. In too much humidity, you’ll feel muggy, and even worse, ...