Reported here:
... His daughter Mercedes told The New York Times the cause was pneumonia. He was 65. He had been battling throat cancer for several years. ...
A lifelong Christian Scientist, Kilmer was unwilling to confirm his
cancer diagnosis when it was revealed by Michael Douglas in 2016. He
combined his fascination with Christian Science founder Mary Baker Eddy
with his love of Mark Twain in a screenplay that featured the two
figures. He toured the country with his one-man show “Citizen Twain” for
several years, which incorporated film and live readings of the
humorist’s work. ...
