dr. keller wortham. angeles-based physician specializing in obesity-related health issues, as well as general health and preventive medicine. welcome to the show, dr. wortham. >> thank you very much, dr. pavone. it's great to be here. >> today you're here to educate us. >> that's right. as you just mentioned, the latest findings in digestive and immune health, including the importance of new and powerful probiotic supplements, are one of the biggest health breakthroughs in the last decade. so many people struggling with stomach and bowel issues are finally finding much-welcomed relief with these highly improved probiotic products. >> okay, dr. wortham, we've been hearing about probiotic yogurt and pills for years now. >> uh-huh. >> so, can you tell our busy audience what's new and why they should be listening now? >> well, to begin with, i can totally understand why many people haven't been on board with taking probiotics in the past. people tried them, they got mixed results, and then they quit. many of