Mugore ra1999, akazivisa kuti airwara nechirwere cheAlzheimer.
Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi "Muna 1999, akazivisa kuti akanga achitambura nechirwere cheAlzheimer, uye akafa makore matatu gare gare nemhaka yezvinetso zvechirwere chacho muSpringfield, Oregon, pana November 27, 2002, mumusha unochengeterwa vakwegura pazera ramakore 82".