Humidifiers add moisture to indoor air during fall and winter when humidity levels are low. The Mayo Clinic recommends 30 to 50 percent humidity levels for indoor air to prevent dry skin, nose and ...

GREENSBORO, N.C. — With dry winter air plus cold and flu season in full swing, a humidifier can be essential to better skin, sleep, and overall health. When you turn on the heat in your house, it ...