In 2016, Isabel Hardman's mind, in her own words, 'stopped working' as she fell prey to severe depression and anxiety. Despite several relapses, she made a recovery with an improved ability to cope, and credits her better health to her passion for exercise, nature and the great outdoors. Here she draws on her own experience, interviews with mental illness sufferers and psychologists, and the latest research to examine what role wildlife and exercise can play in helping anyone cope with mental illness.