What Is Muscular Dystrophy and What Causes It?

Q:
What is muscular dystrophy and what causes it?

A:
Muscular dystrophy is a group of diseases that make muscles weaker and less flexible over time.

It is caused by a problem in the genes that control how the body keeps muscles healthy. Each form of muscular dystrophy is caused by a genetic mutation particular to that type of the disease.

For some people, the disease starts early in childhood. Others don’t have any symptoms until they are teenagers or middle-aged adults.

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