Dave Coulier revealed how much weight he has lost after being diagnosed with HPV-related oropharyngeal tongue cancer. Coulier, 66, told People on Tuesday, December 2, that he lost 10 pounds because of the discomfort he experiences when eating. He noted that the treatment he is receiving is different from chemotherapy but has its own set of challenges. "I have a hard time swallowing and speaking," he said. "I sound like I'm drunk because I slur my words.