In the 21st Century, it is predicted that stress and stress related illnesses such as depression and anxiety will become the biggest killers. Despite significant advances in housing, standards of living, quality of food, and medical science, the pressures all of us have to face in today’s world are as demanding as any pressures experienced by our predecessors. Why are these illnesses on the rise? And why do some people become so ill through these illnesses, they can find it hard to function? .