Effect of food swap recommendations on the healthfulness and carbon footprint of grocery purchases in a naturalistic online store: A randomized parallel trial
Source: Plos.org· Anna H. Grummon, Kevin O’Sullivan, Amanda B. Zeitlin, Lindsey Smith Taillie, Cristina J. Y. Lee, Ashe J. Walker, Verena Tiefenbeck, Elgar Fleisch, Clayton Ulm, Thomas N. Robinson· August 21, 2026
In this randomized parallel trial, Anna Grummon and colleagues examine whether simple food-swap suggestions can influence online grocery choices. They show that recommendations focused on health, climate impact, or both were associated with healthier selectio…
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