causes of dmd
dmd is a genetic disease those who inherit it have a defective gene related to a muscular protein called dystrophin this protein keeps muscle cells intact and its absence causes rapid muscular deterioration as a child with dmd growsne of the nine types of muscular dystrophy duchenne muscular dystrophy dmd is a genetic condition characterized by progressive weakening of voluntary muscles that leads to death dmd worsens more rapidly than other types of muscular dystrophy