Cover These longevity books explore the science, research and ideas that have shaped today's conversations around ageing
These longevity books explore the science, research and ideas that have shaped today's conversations around ageing
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These longevity books examine the habits, ideas and discoveries shaping conversations about ageing
Longevity and biohacking have evolved from niche interests into a broad field of research and self-experimentation, supported by a growing library of books on sleep, nutrition, exercise and the biology of ageing. Whether grounded in clinical evidence or personal experimentation, the titles below have influenced how many people think about healthy ageing, from sleep hygiene and nasal breathing to metabolism and healthspan tracking. Here is what each book covers.
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‘Why We Sleep’ by Matthew Walker
Above Matthew Walker’s ‘Why We Sleep’ made rest the foundation of wellness conversation (Photo: Scribner)
Matthew Walker’s ‘Why We Sleep’ made rest the foundation of wellness conversation (Photo: Scribner)
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Matthew Walker’s Why We Sleep argues that sleep underpins nearly every biological system, from memory consolidation to cardiovascular and metabolic health. Walker, a neuroscientist, draws on decades of sleep research to explain how sleep architecture changes across a lifetime, why sleep deprivation compounds over time and how habits like screen use, alcohol and irregular schedules disrupt the body’s natural sleep cycles. The book helped popularise sleep hygiene as a mainstream wellness concept.
‘Breath: The New Science of a Lost Art’ by James Nestor
Above James Nestor’s ‘Breath’ turned an overlooked habit into a performance lever (Photo: Riverhead Books)
James Nestor’s ‘Breath’ turned an overlooked habit into a performance lever (Photo: Riverhead Books)
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James Nestor’s Breath traces how modern diets have altered human jaw and airway structure over generations, making mouth breathing more common than in the past. The book explores nasal breathing’s role in nitric oxide delivery, autonomic regulation and oxygen exchange, drawing on interviews with researchers, dentists and self-described “pulmonauts”. Nestor also documents his experiments with practices including mouth-taping during sleep as part of the book’s reported, first-person narrative.
‘Lifespan: Why We Age—And Why We Don’t Have To’ by David Sinclair
Above David Sinclair’s ‘Lifespan’ introduced sirtuins and NAD+ to a mainstream audience (Photo: Atria Books)
David Sinclair’s ‘Lifespan’ introduced sirtuins and NAD+ to a mainstream audience (Photo: Atria Books)
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David Sinclair’s Lifespan proposes that ageing is a treatable loss of epigenetic information rather than an inevitable process, built around the “information theory of ageing”. The book centres on sirtuins, a family of proteins that regulate DNA repair and metabolic health, and how their activity depends on NAD+ levels. Sinclair discusses compounds such as NMN and resveratrol as potential ways to support these pathways, alongside research into cellular reprogramming.
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‘The Bulletproof Diet’ by Dave Asprey
Above Dave Asprey’s ‘The Bulletproof Diet’ popularised biohacking for a mainstream audience (Photo: Rodale Books)
Dave Asprey’s ‘The Bulletproof Diet’ popularised biohacking for a mainstream audience (Photo: Rodale Books)
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Dave Asprey’s The Bulletproof Diet centres on eliminating dietary toxins to maximise cognitive performance and metabolic flexibility, popularised through his butter-and-MCT-oil coffee ritual. Drawing on his own experience overcoming health struggles, Asprey outlines a framework built around high-fat foods, low-toxin sourcing and avoiding grains, most fruits and dairy. The book is widely credited with bringing the term “biohacking” into mainstream use.
‘The 4-Hour Body’ by Tim Ferriss
Above Tim Ferriss’s ‘The 4-Hour Body’ defined the self-experimentation mindset (Photo: Harmony Books)
Tim Ferriss’s ‘The 4-Hour Body’ defined the self-experimentation mindset (Photo: Harmony Books)
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Tim Ferriss’s The 4-Hour Body is built around the “minimum effective dose”: the smallest stimulus needed to trigger a physical change, whether for fat loss, muscle gain or sleep. The book’s slow-carb diet, tracked by thousands of users through the Lift app, structures meals around lean protein, legumes and vegetables with a weekly cheat day. Ferriss frames the body as a testable system, encouraging readers to track variables and measure results.
‘The Longevity Diet’ by Valter Longo
Above Valter Longo’s ‘The Longevity Diet’ brought fasting-mimicking research to a general readership (Photo: Avery)
Valter Longo’s ‘The Longevity Diet’ brought fasting-mimicking research to a general readership (Photo: Avery)
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Valter Longo’s The Longevity Diet centres on the fasting-mimicking diet, a cyclical, low-calorie protocol designed to trigger cellular repair without prolonged fasting. Longo, a biogerontologist, draws on research into centenarian populations and clinical trials to outline a mostly plant-based, pescatarian eating pattern within a 12-hour daily window. The book also sets out age-specific protein recommendations, adjusted upward for adults over 65.
‘How Not to Age’ by Michael Greger
Above Michael Greger’s ‘How Not to Age’ compiles thousands of studies on slowing cellular decay (Photo: Flatiron Books)
Michael Greger’s ‘How Not to Age’ compiles thousands of studies on slowing cellular decay (Photo: Flatiron Books)
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Michael Greger’s How Not to Age draws on more than 13,000 peer-reviewed papers to map how a whole-food, plant-based diet may influence biological pathways linked to ageing, including inflammation, glycation and cellular senescence. The book is organised around specific pathways of decline, with a daily checklist of food-based interventions Greger calls the “anti-ageing eight”.
‘Outlive: The Science and Art of Longevity’ by Peter Attia
Above Peter Attia’s ‘Outlive’ shifted longevity thinking toward fitness and healthspan (Photo: Harmony)
Peter Attia’s ‘Outlive’ shifted longevity thinking toward fitness and healthspan (Photo: Harmony)
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Peter Attia’s Outlive centres on cardiorespiratory fitness and physical strength as predictors of healthy ageing, particularly VO2 max and muscular stability. His “centenarian decathlon” framework asks readers to identify physical tasks they want to be able to perform decades into the future and train for them now. The book positions fitness and strength training as central levers for extending healthspan, alongside nutrition and emotional health.
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After more than a decade in lifestyle media, Clifford has mastered the art of writing seriously about things that are fun—and writing fun things about people who take themselves very seriously. At Tatler Asia, he helped steer its flagship lists, Tatler’s Most Influential and Asia’s Most Stylish. And today, he leads T-Labs, Tatler Asia’s content innovation hub, where he continues the noble pursuit of lifestyle storytelling, spinning stories on wealth, entertainment, necessary style, Hallyu, Hollywood, beauty and more for audiences across Asia.
