Premieres on PBS Wednesday, December 30, 2015, 9:00-11:00 p.m. ET.
For thousands of years, people in widely varied environments have constructed diets from the foods they get from nature. The staples in traditional diets vary from potatoes to fatty fish and seals to cattle blood and meat, but they all keep people healthy. The Hadza people in Tanzania still hunt and gather their food and do not suffer from the same diet-related diseases that we do.