When It comes exclusively to amyotrophic lateral sclerosis (ALS), often called Lou Gehrig’s disease, veterans who present Energetic, constant assistance of ninety times or even more commonly are presumed to obtain made the condition due to their navy assistance. believable, credible - effective at currently being considered; "completely credible testimony"; https://www.repforvets.com/more-cancers-now-presumptive-for-service-connection/