Getty Dave Coulier is sharing an update amid his cancer battle. On Thursday (May 7), the 55-year-old Full House alum shared a new video on Instagram where he addressed concerns about his recent weight loss and voice change as he continues to battle cancer. "I haven't posted in quite a while. The last time I did, some of you said I looked differently and I sound differently. I do," Dave began. "What you are seeing is the side effect of the extensive radiation that I went through for carcinoma in my throat, and I haven't been able to eat solid food in months.