what condition does michael j fox have?
Parkinson's disease
entailment
 Fox was diagnosed with Parkinson 's disease in 1991 , at age 29 , and disclosed his condition to the public in 1998 . Fox semi @-@ retired from acting in 2000 as the symptoms of his disease worsened . He has since become an advocate for research toward finding a cure ; he created the Michael J. Fox Foundation , and on March 5 , 2010 , Sweden 's Karolinska Institutet gave him a honoris causa doctorate for his work in advocating a cure for Parkinson 's disease . 

entailment
 In an interview with NPR in April 2002 , Fox explained what he does when he becomes symptomatic during an interview ; 

contradiction
 In August 2007 , Assad was diagnosed with Wolff – Parkinson – White syndrome , a rare condition that causes the heart to beat faster than normal . The condition was discovered during his tenure with WWE , when he had undergone a routine check @-@ up in accordance with WWE 's Talent Wellness Policy , which otherwise would have gone undetected until it was too late . 

entailment
 Fox manages the symptoms of his Parkinson 's disease with the drug carbidopa / levodopa , and he also had a thalamotomy in 1998 . 

entailment
 Fox started displaying symptoms of early @-@ onset Parkinson 's disease in 1991 while shooting the movie Doc Hollywood , although he was not properly diagnosed until the next year . After his diagnosis , Fox began drinking more heavily than in the past ; however , he sought help and stopped drinking altogether . In 1998 , he decided to go public with his condition , and since then he has been a strong advocate of Parkinson 's disease research . His foundation , The Michael J. Fox Foundation , was created to help advance every promising research path to curing Parkinson 's disease , including embryonic stem cell studies . 
