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What is the physical cause of Obstructive Sleep Apnea?

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What is the physical cause of Obstructive Sleep Apnea?

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In OSA, the muscles of the soft palate around the base of the tongue and the uvula relax, obstructing the patient’s airway. This obstruction induces hypoxia, a reduced level of oxygen in the blood. The airway obstruction also increases the stress on the heart, elevates blood pressure, and prevents the patient from entering “REM sleep” — the restful and restorative stage of sleep.

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