WHO

Brugada Syndrome: The Genetic Heart Condition Behind Some Unexplained Sudden Deaths

Brugada Syndrome is a rare genetic heart condition that affects how electrical signals move through the heart. The condition causes…

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Devic’s Disease (NMOSD): The Optic Nerve and Spinal Cord Attack Often Confused With MS

Devic’s Disease, now called Neuromyelitis Optica Spectrum Disorder, or NMOSD, is a rare autoimmune neurological condition characterized by inflammation of…

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Transverse Myelitis: The Spinal Cord Inflammation That Can Strike Without Warning

Transverse Myelitis is a rare neurological disorder characterized by inflammation of the spinal cord that develops suddenly, sometimes over hours…

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Addison’s Disease: The Adrenal Insufficiency That Caused JFK’s Famous Health Struggles

Addison’s Disease is a rare autoimmune disorder where the immune system attacks the adrenal glands, causing them to produce insufficient…

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Cushing’s Disease vs Cushing’s Syndrome: Understanding the Difference

Cushing’s Syndrome is a rare hormonal disorder caused by abnormally high levels of cortisol, a steroid hormone produced by the…

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Acromegaly: What Happens When Too Much Growth Hormone Is Produced

Acromegaly is a rare hormonal disorder caused by the pituitary gland producing too much growth hormone. Growth hormone is normally…

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Pulmonary Arterial Hypertension: The Rare Lung Disease That Affects the Heart

Pulmonary Arterial Hypertension, commonly called PAH, is a rare and serious progressive disease that affects the blood vessels in the…

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Langerhans Cell Histiocytosis: When Immune Cells Misbehave

Langerhans Cell Histiocytosis, commonly called LCH, is a rare disorder where a type of immune cell called Langerhans cells multiplies…

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Erdheim-Chester Disease: The Rare Histiocytic Disorder and Its Many Faces

Erdheim-Chester Disease, commonly called ECD, is an extremely rare histiocytic disorder that causes abnormal accumulation of histiocytes, a type of…

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Castleman Disease: A Rare Lymph Node Disorder That Mimics Lymphoma

Castleman Disease is a rare lymphoproliferative disorder that causes abnormal growth of lymphoid tissue, primarily in lymph nodes throughout the…

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Stiff Person Syndrome: One of the Rarest Neurological Disorders Explained

Stiff Person Syndrome, commonly called SPS, is an extremely rare autoimmune neurological disorder that causes progressive muscle stiffness and rigidity…

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Periodic Paralysis: The Rare Genetic Conditions That Cause Sudden Muscle Weakness

Periodic Paralysis is a group of rare genetic neuromuscular disorders that cause sudden, temporary episodes of muscle weakness or paralysis.…

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Myasthenia Gravis: The Autoimmune Disease That Makes Muscles Tire Rapidly

Myasthenia Gravis, commonly called MG, is a rare autoimmune neuromuscular disorder that causes weakness and rapid fatigue of muscles. Unlike…

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Becker Muscular Dystrophy: How It Differs From Duchenne and What to Expect

Becker Muscular Dystrophy, commonly called BMD, is a genetic neuromuscular disorder that causes progressive muscle weakness and degeneration, similar to…

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Rett Syndrome: The Neurological Condition That Primarily Affects Girls

Rett Syndrome is a rare neurological disorder that primarily affects girls and causes serious problems with brain development and nervous…

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