Adult-onset spinal muscular atrophy (SMA) is a rare neuromuscular disorder that primarily affects the motor neurons in the spinal cord, leading to muscle weakness and atrophy. SMA is part of a group ...
Spinal muscular atrophy (SMA) is a genetic neuromuscular disease affecting specialized nerve cells that control voluntary muscle movement, according to the Muscular Dystrophy Association (MDA). It can ...