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myasthenia
myasthenia Myasthenia is a condition in which communication between nerves and muscles is impaired, causing weakness that worsens with activity.
Myasthenia is a condition in which communication between nerves and muscles is impaired, causing weakness that worsens with activity. It often affects the eye muscles and can also involve the face, swallowing, breathing, and nearby limb muscles; some cases stay confined to the eyes and are linked to antibodies against acetylcholine receptors or MuSK.