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An unexpected finding of the study was that adults who were in areas with more ads for pharmaceutical cessation products were less likely to make an attempt to quit.

“Since we looked at the total amount of exposure to anti-smoking campaigns — and the campaigns are very different — our data suggest that it may not matter as much what you say to people; it may matter more that you’re saying it a lot,” she said.
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une des conclusions de cette étude sur les publicités anti-tabac, c'est que ce n'est pas réellement le message véhiculé qui a de l'impact, c'est surtout la quantité de ces publicités qui a de l'influence.

bien entendu, ceci est certainement valable pour tout type de publicité. il convient donc de les éviter autant que possible.

lien via http://www.ted.com/talks/susan_etlinger_what_do_we_do_with_all_this_big_data