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How does oculopharyngeal muscular dystrophy affect the body?

Oculopharyngeal muscular dystrophy is caused by a genetic mutation that affects the functioning of muscles. This mutation causes a problem with the function of a certain protein that's used in cells throughout the body, which in turn affects the function of certain muscle cells. This leads to muscle weakness that most commonly affects muscles in the eyelids and throat, which results in drooping eyelids and difficulty swallowing. In most cases, the disease progresses over time to weaken other muscles in the face, thighs, hips, and shoulders.

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