say this stuff because you know it's not true. so, why, when you have this amazing megaphone, and this amazing ability to communicate, why would you cheapen your show by saying things like that? >> i actually do personally do believe in the items i talk about in the show. i passionately study them. i would give my audience the vice i give my family all the time. and i've given my family these products. >> this little bean has scientists saying they found a magic weight loss cure for every body type. >> reporter: the one touted on the show was sued by false advertising and settled for $3.5 million. all fodder for the doctors asking columbia university to rethink dr. oz's position. elizabeth cohen reporting. i'll be back with another hour of "newsroom" in just a moment. [ male announcer ] you wouldn't leave your car unprotected. but a lot of us leave our identities unprotected.