A humidifier is on the floor as a young woman sits on a sofa - Pixel-Shot/Shutterstock During winter, when heating systems stay on all day, the air indoors can dry out quickly. Its effects are pretty ...
During winter, when heating systems stay on all day, the air indoors can dry out quickly. Its effects are pretty familiar, too: Itchy skin, cracked lips, irritated sinuses, and coughs, the list just ...