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Concept
Concept
Narcolepsy is a disabling sleep disorder that mixes the nervous system's messages about when to sleep and when to be awake. Narcolepsy usually starts during the teen years or early adulthood and continues throughout life. Narcolepsy may cause: Sudden sleep attacks. These may occur at any time during any type of...
Concept
The nasal septum is the wall that separates the left and right nostrils. It is made up of cartilage, bone, and other tissues. If the septum is centered in the middle of the nose, air flows equally through each nostril.
Concept
The nasal sinus cavities are moist, hollow spaces in the bones around your eyes, cheeks, and nose. They are connected to the nasal passages through narrow openings.