We had a reader’s question on this too in November 2021. Trying to get someone to eat healthy? Wang, Zhang, and Jiang determined via multiple experiments that “angular shapes are associated with healthy food, and circular ones with unhealthy food. . . . Consumers prefer healthy food (vs. unhealthy food) with angular (vs. circular) shapes. . . . angular shapes raise consumers’ preferences for healthy food, while circular shapes raise consumers’ preferences for unhealthy food. . . . manufacturers can…