In 1998, Fox disclosed his 1991 diagnosis of Parkinson's disease. He subsequently became an advocate for finding a cure and founded the Michael J. Fox Foundation in 2000 to help fund research. Worsening symptoms forced Fox to reduce his activities and led to his return to television in ''Spin City'' when he was still a major movie star, He continued to make guest appearances on television, including recurring roles on the FX comedy-drama ''Rescue Me'' (2009) and the CBS legal drama ''The Good Wife'' (2010–2016) that garnered him critical acclaim. He also worked voicing the title character in the ''Stuart Little'' films (1999–2005) and the lead of the animated film ''Atlantis: The Lost Empire'' (2001). His final major role was on the NBC sitcom ''The Michael J. Fox Show'' (2013–2014). Fox retired from acting in 2020 due to his declining health.