We then conducted a systematic review of the Indeed, public health knowledge is just one of the literature on knowledge sharing to influence factors weighing in the balance when public public policies that have an impact on population policies are being developed, and it alone cannot health.1 This study of the literature broadly determine decisions. [...] We postulate that, ultimately, what renders knowledge “scientific” in the eyes of political actors is An anatomy of knowledge sharing the scientific legitimacy they attribute to the actors aimed at influencing public policy putting forth the knowledge. [...] For example: transmitting an health professionals (due to the deep-rooted evaluation report that one has received; writing and culture of evidence use in the public health field and disseminating a streamlined summary of a scientific perhaps also, more vaguely, due to its perceived study; briefing a policy maker on the current state of relationship with the field of medicine, each research on a gi [...] On when conveying knowledge, it is necessary to the one hand, they form a judgment of the analyze the prior knowledge of the persons targeted producers or conveyors of knowledge based on and adapt the message addressed to them the credibility they attribute to these persons, on their accordingly. [...] Sometimes, reflection does not lead another (or, more marginally, to the revision of an to a specific or immediate intention to use the option such that it takes better account of health); to knowledge, but it helps to change a political actor’s the abolition of a policy that has negative health way of thinking, which is nonetheless an interesting impacts; to the extension of a policy that has pos