Difficulty swallowing, also known as dysphagia, is usually a sign of a throat or esophagus problem. Common triggers for dysphagia are malfunctioning muscles or a blockage in the throat or esophagus, says the University of Michigan. Specific causes of dysphagia include: Stroke, brain or spinal cord injury. Nervous system conditions. Esophageal spasm or tumors. Inflammation… read on >












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