LeDoux was diagnosed with amyotrophic lateral sclerosis (ALS) or "Lou Gehrig's Disease" in August 2008. A 2010 study questioned the diagnosis in athletes who had experienced head trauma or repeated concussions.
In August 2008, LeDoux was diagnosed with amyotrophic lateral sclerosis (ALS) or "Lou Gehrig's Disease." In a study from 2010, researchers inquired about the possibility that this diagnosis could be associated with head injuries or multiple concussions suffered by athletes.