"Some stress is better than no stress"
Mental stress is not just harmful. It can also be inspiring. But where exactly is the border between too much and too little stress? "Psychological and physical health is a good indicator of the right degree of stress", says Professor Arno Villringer, Director at the Max Planck Institute for Human Cognitive and Brain Sciences (MPI CBS). In this interview he explains how stress influences our behaviour, why it’s unhealthy to have no stress, and what we still do not know about this apparently daily experience.