Adding moisture to the air with a humidifier can relieve cold and allergy symptoms, nosebleeds, and dry skin. However, not all humidifiers are the same. Learn about the different types of ...

But humidifiers are more complicated to use and care for than some other household appliances—and doing so incorrectly can be worse for your health than not having one at all.

Amazon Compared to warm mist humidifiers, cold and ultrasonic humidifiers create tiny water droplets that not only contain water but also the germs and impurities that hide in the water reservoirs.

Using a humidifier may help alleviate respiratory problems and improve dry skin. Read about the benefits of a humidifier and how to use one safely.