L'Europe a passé deux décennies à débattre de la manière de labelliser les aliments. La recherche sur la question de savoir si les étiquettes modifient le comportement est plus équivoque que ce que chaque partie admet.
Article
Ce qu'une allégation de santé sur une étiquette alimentaire est autorisée à signifier, comment elle est validée, et ce que les essais derrière les aliments fonctionnels démontrent réellement.
Article
Savoir si les consommateurs savent lire une étiquette nutritionnelle est une question différente de savoir si les étiquettes modifient les achats. Ce que montre la recherche sur la compréhension.
Labelling
Systematic reviews find real but small effects on purchasing — and larger effects on what manufacturers reformulate.
Measurement
Systematic reviews of portion-size estimation find errors large enough to swamp most dietary interventions.
Technology
Image-based dietary assessment has been validated against reference methods. It is imperfect and better than memory.
Regulation
EU health claims are regulated and narrow. What surrounds them on the packet is not.
What the trials actually show about semaglutide, tirzepatide and the rest of the GLP-1 class.
Intermittent fasting, time-restricted eating and meal timing, judged on the trial data.
Energy expenditure, insulin resistance and metabolic adaptation, without the folklore.
Diets, drugs, behaviour and maintenance — ranked by the strength of the evidence behind them.
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