Cheech & Chong

Actor Tommy Chong is battling prostate cancer. The 74-year-old is best known for his stoner-comedy routine alongside Cheech Marin, as the comedy duo "Cheech and Chong."

Chong was diagnosed about a month ago and that the cancer is currently in a "slow stage one." He revealed he first noticed symptoms nearly eight years ago during his nine-month sentence at Taft Correctional Institution in California, adding that he believes the prison caused his health to take a turn for the worse.