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Asthma

Asthma is a disease in which inflammation of the airways restricts airflow in and out of the lungs. The word asthma comes from the Greek word for "panting." The panting and wheezing sound characteristic of asthma occur because of the restricted flow of air. Normally, when you breathe in an irritant or are subjected to a stressor such as exercise, your airways relax and open, allowing...

Acid Reflux - Gastroesophageal Reflux Disease

Gastroesophageal reflux disease (GERD) is a disorder in which contents of the stomach or small intestine repeatedly move back up into the esophagus (tube connecting the throat to the stomach). This regurgitating action is called reflux. Reflux causes heartburn, and although most people have an attack of heartburn at some point in their lives, persistent reflux and severe heartburn may indicate...