Macro partitioning
Shifting dietary patterns in industrialized populations from animal-based to largely plant-based foods reduces the risk of chronic diseases such as coronary heart disease, cancer, and diabetes.
To improve long-term health, prioritize fruits, vegetables, and grains over meat and dairy. This shift is supported by extensive evidence showing lower rates of heart disease, cancer, and diabetes in populations with high plant food intake. Be aware that industry marketing and cultural associations of meat with health and status may create barriers, but the scientific consensus favors plant-heavy diets for chronic disease prevention.
Most evidence suggests that a shift to largely plant-based diets would reduce chronic disease risks among industrialized and rapidly-industrializing populations.
Why this rating
Based on extensive observational data, epidemiological studies (Seven Countries Study, China Project), and consensus reports from multiple international committees, though not a single RCT.
Source
Animal<i>v</i>. plant foods in human diets and health: is the historical record unequivocal?
Marion Nestle · Proceedings of The Nutrition Society · 1999
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