When it gets hot, some people are more prone to aggression and violence. Others may feel helpless in the face of the challenges of climate change and develop fears. In addition to physical complaints such as cardiovascular problems caused by heat, respondents to the DGUV survey also categorised psychological stress reactions such as irritability and helplessness as well as illnesses such as post-traumatic stress disorder, depression and anxiety disorders as one of the main health risks associated with the effects of climate change. The aids and publications in the box on the right show how mental stress can be counteracted in this context.