paleo diet

Evolutionary anthropologist Herman Pontzer shares why some of the most physically active people in the world don't burn more calories than office workers. And what that means for your fitness goals.

During the Ice Age, it seems Neanderthals tended to chow down on whatever was most readily available. Early humans, on the other hand, maintained a consistent diet regardless of environmental changes.

Research into an ancient stone found in a cave in Italy shows Paleolithic hunter-gatherers were grinding oats and other grains for flour. It's the earliest evidence yet of food processing in Europe.