Dave Coulier revealed his shocking 45-pound weight loss transformation due to his brutal cancer treatments. “I haven’t posted in quite a while, and the last time I did some of you said that I look differently and I sound differently, and I do,” said Coulier, 66, in his Thursday Instagram Reel . “What you’re seeing is the side effects of extensive radiation that I went through carcinoma in my throat.” Dave Coulier showed off his 45-pound weight loss transformation in a new Instagram Reel, as pictured above. Dave Coulier/Instagram The “Full House” star (pictured above in his Thursday Instagram Reel) revealed the drastic change was due to “extensive radiation” he underwent for his cancer treatment. Dave Coulier/Instagram “I haven’t been able to eat solid food in months, and so I’ve lost 45 pounds. That’s what you’re seeing, and it’s affected my ability to speak,” he explained. “Some of you said that I sound differently.…