In this book, interested laypersons learn how they can do good not only for the body, but also for the brain and spirit, by changing their diet slightly. Physicians advise to abstain from food from time to time - and not only during Lent. But why should reducing calories be healthy? In fact, there is increasing evidence that fasting is also good for the brain and the psyche: the sparing metabolism acts like an antidepressant and boosts neuronal recycling...