there's another take care, dr wen, when it. take care, dr wen, when it comes to fluoride in the drinkingbout this as well. you said any sort of health effects here, the science is less settled that many people think. the issue about fluoride _ many people think. the issue about fluoride in _ many people think. the issue about fluoride in water, - many people think. the issue about fluoride in water, we i about fluoride in water, we know that fluoride prevented many dental cavities before we had widespread use of fluoride toothpaste. we also know that fluoride in general is pretty safe at low levels, but at fluoride and higher levels can be associated with a range of negative health impacts, including problems with the bones, discoloration of the teeth and even some association potentially of brain development when consumed in high quantities by pregnant women. i think it's high quantities by pregnant women. i think its reasonable to say maybe we should re—examine fluoride policy. i think that the key here is people who spread misinformation and disinformation, they're able to do this bec

. >> dr. went robert kennedy does support things that i think are widely acceptable, concern about some of the additives in food, does the fact that he is on those subjects, does it outweigh his comments about vaccines and the conspiracy theories? >> no . i mean you could be right on some issues and totally wrong on others. the issue that i think there is broad agreement with a kennedy on, would include the fact that we have many chronic diseases including childhood obesity that we need to address. i also don't think it's wrong to address and challenge scientific dogma, including the florida faced -- fluoride in water, there's disagreement about the policy, but the problem goes back to, do you believe the science at the end of the day, are you able to say there have been dozens of studies published that very clearly show for example the vaccines do not cause autism. can that then change your own long-standing view and if your answer is, no, because i'm an activist and nothing will change my view,

dr. leanna wen points out, there are a number of steps kennedy could take, especially on the coronavirush vaccine. he could pressure the fda commissioner to revoke the covid vaccines approval. he could take over the cdc's advisory committee on immunization practices, which develops recommendations for how vaccines are used. and, by replacing existing acip members with vaccines get this, he could say, he is not interfering with the cdc, but rather the new, much better experts have decided vaccines are not safe. he could also attempt to dissuade manufacturers from making vaccines, by taking away their liability protection, which keeps people from suing them, if they are harmed by a vaccine side effect. and these are just a few actions he could take, if given the keys to hhs. joining me now is internal medicine physician, dr. libby roy. it is good to see you. i just read a few of the concerns with rfk jr. being in charge of public health. talk a little bit about, do you share those concerns? and what are some you might have? >> great to see you, as always, joy. god, i wish i had better news