Food Choice

Transitioning toward plant-based diets can alleviate health and sustainability challenges. However, research on interventions that influence animal-product consumption remains fragmented and inaccessible to researchers and practitioners. We conducted an overview of systematic reviews, also known as a meta-review. We searched five databases for reviews that examined interventions that influence (increase or decrease) the consumption of animal products.
The dichotomous divide between vegetarians and omnivores seems clear: Omnivores eat meat, whereas vegetarians do not. Yet classifying people dichotomously as vegetarian or omnivorous overlooks a distinct group of people who limit their meat intake but still include some meat in their diets: a group of “mostly vegetarian” dieters called flexitarians (a term combining the words, “flexible” and “vegetarian”).