“Simple, genius & reassuring.”
CHRIS EVANS, Virgin Radio Presenter
“His finest work yet. An astute, stimulating, and eminently practical guide to healthy living.”
Dr Gabor Maté, Physician, Best selling Author & International speaker
“Rangan’s philosophy on happiness is so thoughtful and inspiring. Teaching us that happiness is determined by internal and not external factors, this book is full of easy-to-understand tips and activities that will help anyone feel calmer and experience more joy.”
JULIA SAMUEL, Best selling author of This Too Shall Pass
“Rangan’s most insightful, inspiring and transformative book yet.”
Jay Shetty, Best-selling Author and Podcast Host
“No matter how happy you feel, this book will lift you up and make you stronger.”
FEARNE COTTON, TV & Radio presenter, Author and Podcast Host
“Inspired by years of deep reflection, Rangan shares his incredible and life changing insights in this truly wonderful book.”
Mo Gawdat, Entrepreneur and Writer
“A well-researched, personal and entirely userfriendly guide for anyone who worries they may have their priorities wrong and who sees a more contented life.”
MATT HAIG, Author
“Rangan Chatterjee is a voice of calm, kind, common sense in a world of noise.”
Elizabeth Day, Novelist and Podcast Host
“This book will change your life for the better.”
THE HAPPY PEAR, Plant-based community ambassadors
“Ranganʼs latest book gets to the crux of what truly matters. Contentment,
peace and happiness. This is a joy to read and a simple framework that you can
put into practice immediately.”
DR RUPY AUJLA, Cook, Author & Podcast host
“Packed full of tips and advice to improve our relationship with food, Dr Chatterjee’s book is a fresh take on weight loss.”
Professor Tim Spector, Geneticist, Epidemiologist and Author of 'Spoon Fed' and 'The Diet Myth'
“One of the best habit change programs I have ever come across. Deceptively simple but remarkably effective.”
BJ FOGG, Stanford University Professor and Author of 'Tiny Habits'
“Dr Rangan Chatterjee knows the science in great depth, but more importantly he’s evangelical about giving his patients and his readers a way of applying it to their own lives.”
MARK HYMAN, MD Director, Cleveland Clinic Center for Functional Medicine
“Comprehensive, empowering and grounded in scientific research, with typically elegant style.”
MATTHEW WALKER, Best-selling author of Why We Sleep
“Rangan’s easy, common-sense plan can help everyone live a happier, healthier life.”
JAMIE OLIVER, Chef, Restaurateur and Best-Selling Author
“One of the most influential doctors in the country”
CHRIS EVANS, Radio DJ & TV Presenter
“Rangan’s new book is full of useful advice on how to stay calm and live a happier, more fulfilled life.”
MICHAEL ACTON SMITH, Founder of CALM
“Rangan is revolutionising the way we think about health. He will make you feel better than you have in years.”
AMELIA FREER, No.1 Best-selling author and Nutritional Therapist
“Dr. Rangan Chatterjee has an inspiring vision for making vibrant health achievable for everyone. Heis undoubtedly in the vanguard of the new medicine, and I cannot support him more strongly.”
DALLAS HARTWIG, New York Times bestselling author of The Whole30
“I’m not sure there’s a doctor on the planet today I have more confidence in than Rangan. We all need to hold a megaphone to this man’s powerful voice.”
KELLY BROGAN, MD, NYT bestselling author of A Mind of Your Own