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• Modern paleo diets often emphasize avoiding grains, dairy, and legumes based on the assumption that early humans did not consume these foods and relied heavily on meat.
• The process of domestication favored the selection of plants with larger caloric yields, making starch-rich foods like grains and legumes the staple diet of ancestral human populations during the agricultural revolution.
• Ancient diets were composed of phytonutrients found in grains, native plants, mushrooms, fruits, legumes, nuts, honey, and seeds.
• Beef and lamb have approximately ten times the greenhouse gas emissions per serving compared to pork, poultry, and dairy products, which in turn have about ten times the emissions of plant-based foods like grains, fruits, vegetables, and legumes.
• The Ruler tribal community prioritizes the consumption of leafy greens, grains, and legumes in their diet.
• Ruminant livestock are among the highest contributors to methane emissions, whereas crops such as legumes and grains emit significantly less CO₂-equivalents per kilogram produced.
• The paleodiet excludes dietary items introduced during the agricultural revolution, such as legumes, grains, and dairy products, as well as modern processed foods.