Can a plant-based diet really reverse CAD?

VEGETARIAN foods; VEGETARIANS; VEGETARIANISM; CONTROL groups; CASE-control method

The editor reflects on the study about the association of a plant-based diet and favorable cardiovascular disease outcomes. He suggests that the study is not the definitive study of the restrictive vegetarian diet and adds that no one knows how the findings would apply to others. He also tackles the claim of the study's author about the difficulty to establish causality and assess how much of the observed changes are specifically due to the diet without a control group.