What is asthma? Asthma is a chronic (long-term) disease of the lungs. It inflames and narrows the airways, making it harder to breathe. These are tubes that carry air into and out of your lung...
How to Use a Metered-Dose Inhaler
A metered-dose inhaler is a small, hand-held device filled with medicine to treat breathing problems. It helps deliver a certain amount of medicine through your mouth and into your lungs. It is com...
