People with an ALS diagnosis will experience muscle weakness as their nerve cells deteriorate over time. The cause is still ...

Add Yahoo as a preferred source to see more of our stories on Google. Tweaked by a muscle twitch? From an uncontrollable fluttering eyelid to a pulsing calf muscle, these small, rapid involuntary ...

Split hand syndrome is a potential sign of amyotrophic lateral sclerosis (ALS). This means that some of the muscles in the hand are weak and thin (atrophied), while others are less affected.