Please tell us more about your symptoms and why you are asking the question. MD causes progressive muscle weakness, there are several kinds, some start at different ages. I had a friend who had MD, he was diagnosed when he was a teenager, he lived a full life as a musician, walked around with a cane, and another disease took him away earlier than expected, in his 50s. There are many websites devoted to just muscular dystrophy, you can do a regular online search to locate them, and then perhaps you can find some more answers to any questions you have.
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