During post-production on a film on December 17, 2010, Craig was diagnosed with stage-four nasopharyngeal squamous cell carcinoma (throat cancer). He underwent aggressive radiation and chemotherapy, lost nearly half his body weight but managed to survive. The course of treatment having proven successful, Craig remains cancer-free as of Summer 2013 and is committed to regaining his stable health. When able, he says he's eager to return to the gym to gain back his strength and the muscular physique he's been known for.