 During his last couple of decades, John Waynes health seriously deteriorated. The lifelong heavy smoker and drinker lived without one of his lungs and a couple of his ribs from the mid-1960s onwards, after being diagnosed with lung cancer. Nevertheless, Duke tenaciously battled on, playing roles he was too old, fat and physically challenged for. ... John Waynes best acting advice blasted at Duke in foul-mouthed... 