Professor Rose Anne Kenny has 35 years of experience at the forefront of ageing medicine. In this book, she demystifies why we age and shows us that 80% of our ageing biology is within our control: food, genetics, friendships, purpose, sex, exercise and laughter all effect how we age. Shortlisted for the Royal Society Science Book Prize 2022 and one of the Financial Times' Best Books of 2022. This illuminating book will show you the steps you can take to stay younger for longer.