Hunter-gatherer groups exhibit consistent dietary patterns, maintain profound health into old age, and generally lack chronic illnesses such as diabetes, obesity, cancer, heart disease, and autoimmunity.

“Groups of hunter-gatherers like the Hadza, !Kung San, Chagga, Datoga, and Kawymeno show consistent patterns of dietary preference along with profound health into old age and a generalized absence of chronic illness (diabetes, obesity, cancer, heart disease, autoimmunity etc.).”