When it comes to "e;stress"e;, we often look for the causes and solutions from psychological and emotional aspects. However, in fact, stress is closely related to one's body and brain and has certain rules. If we master this rule, it will be very easy to fight against stress. This book analyzes the biological basis influencing the source of stress from 8 aspects, such as brain characteristics, stress hormones and biological clock, so that you can look at stress from a new perspective. This book contains the most cutting-edge, interesting and practical stress-proof methods which will definitely stimulate your imagination and easily realize "e;stress-proof life"e;!