Yet they forced themselves to continue, so strong was their conviction that they were performing a compassionate act for both the family and the person who had died. The affines weren’t eating the dead to preserve life force or power; they ate to destroy. The Wari’ were horrified by the thought of a dead body being buried and left fully intact in

The changes in the expression of obesity genes – those that occur in response to famine – are due to epigenetics. This new understanding of genetic adaptation offers fresh perspectives on the interaction between our bodies and our environment. It also poses new questions about evolutionary processes and who we really are.