Suggesting healthy food "swaps" to online shopping customers may effectively reduce the calories they buy, according to simulation study.
Article Title: A randomised experiment of health, cost and social norm message frames to encourage acceptance of swaps in a simulation online supermarket
Funding: This work was completed as part of the usual business activities of Public Health England and received no additional funding. LP, JGS and MGI were on placement at Public Health England as part of the RCUK internship scheme for part of their involvement in this work.
Competing Interests: The authors have declared that no competing interests exist.