Written in an approachable, engaging style, this book takes a detailed and sometimes humorous look at how to have a healthy, happy lifestyle. Readers are given advice about healthy eating and exercise; managing the pressures of the teenage years; how to get enough sleep, navigate friendships and relationships, and look after their mental health. The overall aim of the book is to encourage achievable, positive lifestyle changes. All information is based on current thinking, recommendations and guidelines. Quicklinks take readers to further sources of information and advice if needed.