NYT take on it is at https://www.nytimes.com/2018/07/18/health/cirrhosis-liver-cancer.html?rref=collection%2Fsectioncollection%2Fhealth&action=click&contentCollection=health®ion=rank&module=package&version=highlights&contentPlacement=1&pgtype=sectionfront
They were depressed over Obama as POTUS.
.