Rare But DEADLY Diseases: How Many Do You Know? Which rare genetic disorder causes rapid aging in children, leading to premature aging and a shortened lifespan? Progeria Cystic Fibrosis Duchenne Muscular Dystrophy Down Syndrome None Which rare autoimmune disease affects the neuromuscular junction, causing muscle weakness and fatigue? Multiple Sclerosis Lupus Myasthenia Gravis Guillain-Barré Syndrome None Which rare genetic disorder is characterized by the inability to break down certain fats and can lead to progressive neurological deterioration? Gaucher Disease Tay-Sachs Disease Niemann-Pick Disease Fabry Disease None Which rare disorder is characterized by the sudden loss of muscle tone, often triggered by strong emotions such as laughter or anger? Ehlers-Danlos Syndrome Cataplexy Huntington's Disease Fragile X Syndrome None Which rare genetic disorder is characterized by abnormal, uncontrollable movements, psychiatric symptoms, and a progressive decline in cognitive function? Rett Syndrome Huntington's Disease Fragile X Syndrome Prader-Willi Syndrome None Time's up Most Popular