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Questions to Ask Your Doctor about Obstructive Sleep Apnea (OSA)(Free Handout)


Sleep Apnea Causes


The exact cause of OSA remains unclear. The site of obstruction in most patients is the soft palate, extending to the region at the base of the tongue. There are no rigid structures, such as cartilage or bone, in this area to hold the airway open. During the day, muscles in the region keep the passage wide open. But as a person with OSA falls asleep, these muscles relax to a point where th...Read the full article