US astronauts Butch Wilmore and Suni Williams are finally coming home — here are some of the health issues they may ...

Spinal bulbar muscular atrophy (SBMA) causes a loss of motor neurons in the spinal cord and brainstem. It mainly affects facial and swallowing muscles and the muscles in the arms and legs.

Exercise can make a significant difference for patients with SMA by working alongside other medical advancements to improve their quality of life.