A recent study: Message Framing Effects on Food Consumption: A Social Marketing Perspective, published in the Australian Journal of Management, co-authored by Associate Professor Nitika Garg and Dr Rahul Govind, Senior Lecturer in the School of Marketing at UNSW Business School, shows people react the most to negative messages about health and nutrition.
https://www.businessthink.unsw.edu.au/articles/evidence-based-marketing-health-nutrition?