Our stress response system is magnificent – it operates beneath our awareness, like an orchestra of organs playing a hidden symphony. When we are healthy, the orchestra plays effortlessly, but what happens when our bodies face chronic stress, and the music slips out of tune? The alarming rise of stress-related conditions, such as heart disease, diabetes, and depression, show the price we’re paying for our high-pressure living, while global warming, pandemics, and technology have brought new kinds of stress into all our lives. But what can we do about it?