The tax on sugary drinks resulted in accumulated losses of more than 1.4 billion euros for the national economy between 2017, the year it was created, and 2023. This is the main conclusion of a study by the Porto Business School, which served as the theme for another session of 'Conversas Improváveis' (Unlikely Conversations), a joint initiative by Expresso and the Portuguese Association of Soft Drinks (PROBEB).