Previously published as Self Defence: A Myth-busting Guide to Immune HealthDiscover the truth about our immune system and learn how to stay healthy from a world-leading immunologist. ‘Astounding. Will change how you think about your body and live your life’ CHRIS VAN TULLEKEN, author of Ultra-Processed People‘A great book from a world expert’ TIM SPECTOR, author of Food for LifeIs it true that orange juice wards off colds? Are mental health and inflammation really connected How do we distinguish bogus claims from useful advice – and what can we actually do to support our immune system and stay healthy?Pre-eminent immunologist Daniel M.Davis cuts through the noise to reveal the truth about our immune system – from the effects of diet, exercise and the microbiome to stress, sleep and old age. In an era of misinformation and marketing slogans, this ground-breaking guide equips us all with the key insights we urgently need to make wiser decisions for our health. ** A DAILY MAIL BEST BOOK OF THE YEAR 2025 **‘The best book on immune health I have ever read’ ALICE ROBERTS'Utterly absorbing' BILL BRYSON'Beautifully written' BRIAN COX'Read this book' SARAH GILBERT'Brilliant' LIZ EARLE'Fascinating and empowering' RHIANNON LAMBERT'Essential reading' RUSSELL FOSTER'The perfect antidote to those assumed truths about immune health' SUZANNE O'SULLIVAN