Not to be offensive, but is ALS his confirmed diagnosis? I have two family members who were diagnosed with different rare muscle-wasting diseases and have lost

Not to be offensive, but is ALS his confirmed diagnosis? I have two family members who were diagnosed with different rare muscle-wasting diseases and have lost most of their arm and leg function over the past decade. Eating/breathing unaffected. They both lived on farms so we’ve always suspected there was a link.