Huntington's disease can affect:
Symptoms vary from person to person. They also can change over time. They usually start as subtle differences and progress to profound disability.
Symptoms typically begin between ages 35 and 50. However, they can appear at any age.
Huntington's disease is rare in children. In children, behavioral problems and mental deterioration are prominent. Rigidity and seizures are common. Huntington's disease progresses more rapidly in children than in adults.
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