Sidney Poitier's death certificate released

Sidney Poitier battled several health issues before his death on Jan. 6. The trailblazing star's immediate cause of death is listed as cardiopulmonary failure, or heart failure, according to the death certificate obtained by TMZ. Other conditions contributing to his death include Alzheimer's dementia and prostate cancer. Poitier died at his home in Beverly Hills at the age of 94. The document reveals he'd be cremated.

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