International audienceBackground: Many countries use warnings in an attempt to regulate alcohol consumption. However, there is a lack of conclusive evidence in the research on alcohol warnings to support decision-making on effective health policies. This study explores the effectiveness of two mandatory warnings introduced in France in 1991 and 2007: the first (“Alcohol abuse is harmful”) is displayed on advertisements; the second (a pictogram) on bottles. Given that advertising content regulations have been implemented in some countries to reduce the attractiveness of alcohol marketing (e.g., the Evin law in France), this research also aims to explore whether such regulations can improve the effectiveness of warnings. Method: In-depth inte...