Acoustic Neuroma Acoustic neuroma is a noncancerous tumor that may develop from an overproduction of Schwann cells that press on the hearing and balance nerves in the inner ear. Bell's Palsy Bell's palsy is an unexplained weakness or paralysis of the facial muscle that begins suddenly and worsens over three to five days. It can strike at any age, but it occurs most often in pregnant women, and in people who have diabetes, influenza, or another upper respiratory ailment. Bladder and Bowel Dysfunction Bladder dysfunction and bowel dysfunction refer to problems with urinating and passing stools. These may lead to the unwanted passage of urine or stool, called urinary or fecal incontinence. Chronic Pain Syndrome Chronic pain can feel like slow torture, making it difficult for you to go to work, exercise, or even take a shower and dress yourself. Complex Regional Pain Syndrome Most cases of pain are temporary. They tell you that your body needs rest in order to heal. But the pain of CRPS doesn't fade with time. Instead, CRPS causes pain that is severe and continuous. Ménière's Disease Meniere's disease is a balance disorder caused by an abnormality found in a section of the inner ear called the labyrinth. Multiple Cranial Neuropathies Neuropathy is a disorder that affects the nerves. The cranial nerves are those that arise directly from your brain or brainstem and often affect areas like the face and eyes. Neurocutaneous Syndromes Neurocutaneous syndrome is a broad term for a group of disorders. These diseases are life-long conditions that can cause tumors to grow inside the brain, spinal cord, organs, skin, and skeletal bones. Normal Pressure Hydrocephalus The ventricles are chambers in the brain that normally contain cerebrospinal fluid. Sometimes, too much fluid can build up in the ventricles. This accumulation of fluid leads to a condition is called normal pressure hydrocephalus (NPH). Pseudotumor Cerebri Pseudotumor cerebri is a disorder related to high pressure in the brain that causes signs and symptoms of a brain tumor—hence the term “pseudo” or false tumor. Neuromyelitis Optica Neuromyelitis optica, sometimes called NMO, is a rare condition that affects the spinal cord and the nerves that carry signals from the eyes to the brain, causing paralysis and blindness. Obstructive Sleep Apnea Obstructive sleep apnea occurs when your breathing is interrupted during sleep, sometimes for longer than 10 seconds. Parasomnias: Sleepwalking Sleepwalking refers to a type of sleep disorder that involves walking or performing other activities while in a deep sleep. Sleep Deprivation Sleep deprivation is not a specific disease. It is usually the result of other illnesses and life circumstances that can cause its own symptoms and poor health outcomes Snoring Some people breathe heavily when they sleep. Others make a soft whistling sound, and still others snore loudly. Transverse Myelitis Transverse myelitis is a neurological condition that happens when both sides of the same section of the spinal cord become inflamed. Trigeminal Neuralgia Trigeminal neuralgia is a type of nerve pain that affects your face.