Firing was a discrete act that started the clock for administrative exhaustion with respect to any claims arising from the firing.
Medical evidence sufficed for dismissal of statutory disability claim.
Unpleasant and rude conduct did not present an issue for trial on a claim of actionable harassment.
Medical evidence precluded ADA reasonable accomodations claim.
Insufficient causation for retaliation claim.
http://media.ca8.uscourts.gov/opndir/18/07/164343P.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.