PULS 24 host Isa Richter welcomes brain researcher and author Gerald Hüther via live broadcast from Germany. She talks to him about the question of why the number of people suffering from chronic diseases is increasing in economically well-off countries and regions. The renowned neuroscientist argues that people mostly fall ill not because of external influences, but because they treat themselves carelessly. But why do we treat ourselves so carelessly? And why do we strive for things that are not good for us?