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A study published in Annals of Surgery in April of 2012 showed that bile, not acid, is the cause for Barrett's esophagus and esophageal cancer. This finding is especially important because current drug therapies for GERD focus largely on acid control. Drugs that block acid production might actually make the risk for esophageal cancer higher. Research...

Asthma is found across all age groups and it often presents as a cough. Allergic rhinitis and reflux esophagitis often cause cough too. Bronchial provocation testing helps identify those people with a cough who have asthma from those with esophagitis. The prevalence of asthma is increasing and air pollution is probably part of the reason. Taking a careful history...