Cachexia is a metabolic disorder that causes uncontrolled weight loss and muscle wasting in chronic diseases and cancer.

This image from video provided by UPMC and University of Pittsburgh Health Sciences shows Doug McCullough, who has spinal muscular atrophy, during tests of experimental spinal cord stimulation to ...

The mother of a four-year-old boy with a rare muscle disease says screening newborn babies for the condition could "save ...

WASHINGTON (AP) — Three people with a muscle-destroying disease destined to worsen got a little stronger – able to stand and walk more easily – when an implanted device zapped their spinal cord. On ...

WASHINGTON — Three people with a muscle-destroying disease destined to worsen got a little stronger – able to stand and walk more easily – when an implanted device zapped their spinal cord. On ...

WASHINGTON (AP) -- Three people with a muscle-destroying disease destined to worsen got a little stronger -- able to stand and walk more easily -- when an implanted device zapped their spinal cord. On ...