Michael J. Fox has long lived with complications from

his Parkinson’s disease battle,

but he remains as stubborn as ever in the face of great difficulty.

Since his diagnosis in the early 1990s,

the now-retired actor has become

the face of the struggle against the crippling disease,

dedicated himself to

encouraging research and understanding.

Recently, the Back to the Future

star has spoken openly

about his difficulties with the condition,

acknowledging that his health

is deteriorating and declarin

g that he does not expect to live to be 80 years old.