Auto Immune conditions

What is Asthma Asthma is a long-term (chronic) lung disease that inflames and narrows the airways. The airways are tubes (bronchial) that carry air in and out of the lungs. For people with asthma, the airways are sensitive and react to various substances. If they react, the airways become inflamed and narrow, so less air reaches the lungs.  Around 200 to 250 million people are affected worldwide and nearly 250,000 people die per year from asthma. In Asia the rate of…