What is Asthma? Asthma is a chronic condition affecting the airways in the lungs, causing inflammation and narrowing of the bronchial tubes, which can make breathing difficult. The airways are surrounded by muscles and mucus glands, which normally...

If your hands have a mind of their own, you’re not alone. Essential tremor (ET) is a neurological disorder that causes rhythmic shaking, usually in the hands, but sometimes in the head, voice, or even legs. It’s the...