In recent years, a growing understanding of myotonic dystrophy type 1 (DM1)—an often fatal, devastating, rare neuromuscular disorder that causes muscle weakness and other life-limiting ...

Myotonic muscular dystrophy, which is sometimes called myotonic dystrophy, is a type of muscular dystrophy. There are two types of myotonic muscular dystrophy, described as type 1 (DM 1 ...