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Humidifiers: Ease skin, breathing symptoms

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Dry sinuses, bloody noses and cracked lips — humidifiers can help soothe these familiar problems caused by dry indoor air. And cool-mist humidifiers also may help ease symptoms of a cold or other respiratory condition.

But be cautious: Although useful, humidifiers can make you sick if they aren't maintained properly or if humidity levels stay too high. If you use a humidifier, be sure to check the humidity levels and keep your humidifier clean. Dirty humidifiers can breed mold or bacteria. If you have allergies or asthma, talk to your doctor before using a humidifier.