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How to Age The instant Number 1 Sunday Times Bestseller

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How to Age The instant Number 1 Sunday Times Bestseller

By: Liz Earle
Narrated by: Liz Earle
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£5.99/mo after 3 months. Offer ends on 5 July 2026 at 11:59 BST. Cancel monthly.

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BY THE SUNDAY TIMES BESTSELLING AUTHOR

'Sunlight has hazards . . . but also significant benefits. I am pleased to see Liz Earle's book helping to move this conversation forward.'
Richard Weller, Professor of Medical Dermatology, University of Edinburgh

'This is a refreshing and myth-busting bio-hacker's handbook of the latest scientific theories of how to age well. Liz shows us the power of sunshine and other practical life tips. Essential reading.'
Tim Spector, Professor of Epidemiology and co-founder of ZOE
There is so much talk about longevity these days but this book is not just about adding years to your life - it's about adding life to your years. At nearly 63 years-old, Liz has effectively turned back her biological clock by decades. On a cellular level her biological age is closer to 32 years. So, how has she achieved this remarkable shift? Through a handful of simple but strategic habits woven into her daily routine.

This book is grounded in the cutting-edge science of our mighty mitochondria, the tiny powerhouses in our cells that fuel vitality and healthy ageing. How we age is not simply determined by our genes, and it is within our gift to influence our health at a fundamental cellular level to improve our healthspan.

At the heart of this new approach is a bold, science-led revelation: the primary forces of sunlight, structured water, and the Earth's energy field are the real drivers of health at a cellular level. These elemental, free-to-access biohacks go beyond diet trends and exercise fads - they are transformational, unlocking the body's innate power to repair, renew and thrive.

Alongside these groundbreaking insights, Liz shares her non-negotiable protocols - food foundations, hormone balance, sleep mastery, and strength training - the pillars proven to extend healthspan. Packed with daily action plans, pro-ageing rituals, toolkits and Liz's go-to beauty and brain-boosting supplements, this is the complete package for longer-lived vitality. Mental wellbeing strategies round out a truly holistic guide.

This is not just another wellness book, this is a revolution in pro-ageing.©2026 Liz Earle (P)2026 Hodder & Stoughton Limited Diets, Nutrition & Healthy Eating Fitness, Diet & Nutrition Personal Development Sustainable & Green Living Health Physical Exercise Longevity
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Critic reviews

This is a refreshing and myth-busting bio-hacker's handbook of the latest scientific theories of how to age well. Liz shows us the power of sunshine and other practical life tips. Essential reading.
Liz Earle has written a powerful manifesto for ageing differently, with confidence, curiosity and vitality. It's practical, provocative and optimistic! A great guide for anyone who wants to feel stronger, sharper and more alive with every year.
Refreshing to have, at last, a balanced view on sun exposure. Recommended reading.
Liz Earle's journey is wonderful, honest and authentic. She shows us just how much there is on offer, and how hard it is to navigate. From all her experiences and analyses, we learn that there's no one-size-fits-all path to ageing well and that, now more than ever, we need scientific scrutiny to test ideas and products rigorously.
Every time I flipped a page I thought, "Why was I not taught this at medical school?" But, on reflection, I now wonder why everyone isn't taught about the profound, actionable and often surprisingly simple
things we can all do to feel truly well. How to Age should be compulsory reading for absolutely everyone, no matter their age.
In How to Age, Liz continues to inspire and ignite conversations on ageing, championing a positive, nuanced, and intentional approach to growing older.
Liz Earle makes the complex science of longevity intelligible and genuinely usable. In How to Age, she blends rigorous research with lived experience to off er practical, realistic insights that cut through cost, complexity
and conflicting advice. An empowering guide to ageing well.
How to Age is a brilliant, easy-to-read guide to living well for longer. It offers practical, everyday, accessible advice, while intelligently incorporating additional layers for those who want to deepen and personalise their wellbeing. It's a thoughtful and useful book on longevity, and one that I've been waiting for. I'll be recommending this to my clients, friends and family.
This is an enlightening book. I learned a lot about the true impact of the basic elements - sun, water and vital nutrients - in health and slowing ageing. Well worth a read.
Sunlight has hazards . . . but also significant benefits. I am pleased to see Liz Earle's book helping to move this conversation forward.
This well-researched book shows ageing is not something to fight but to understand. Liz Earle powerfully reframes later life, also showing how hormonal health and reduced inflammation can help women remain healthy and resilient for longer. An excellent read.
This is the book we have all been waiting for - finally something that shows women how to age well. Liz Earle has a wealth of knowledge and experience. She knows what works and now she is sharing her wisdom, helping us age in a positive and life-enhancing way.
A fascinating read . . . Earle has delved deeply into the world of biohacking, using every trick possible to slow down or even reverse the ageing process.
All stars
Most relevant
Super interesting and forward thinking, Liz Earle always has new and inspiring information to share. Do read.

Excellent

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I’m a huge follower of Liz, I adopt as much of her advice as I can. The book is a guide to living a healthier, more fulfilling life, from a woman who has lived, loved, mothered and achieved success in life and is gifting her tried, tested, science backed wisdom for the greater good. Waking early, embracing light, prioritising sleep and staying strong for what lies ahead, just a few easy access nuggets to help us all live a healthy life. I’m about to listen again and will do over and over again! One addition, Liz reading the book is a huge part of enjoyment for me. So relatable and friendly!

Practical advice, science backed

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I am a slow reader so would have been still reading it for a long time but with the audio I have been listening to it everywhere I and have got through a book in record time.
I have been putting things into practice that easily do. Morning sun light, hydration and intermittent fasting. I have also been working on my sleep as well as I struggled with this for years. Always waking up at 3 and taking a long time to get back to sleep, which wakes my other half.

With Liz reading this audio makes it so easy to listen to. I am in my late thirties so hopefully the habits I do today will benefit late down the line.

So glad I bought the audio

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Love Liz Earls approach, well researched and doable actions to improve life. I’ve read all of her books an follow her podcasts. Learned so much and already feel confident of the content

well researched and described

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I listened to this on Audible and it is a comprehensive and informative listen. However, I would want to refer back to many of the items and that would be easier if I bought the book. However, the main reason I would say get the book is that the audio is quite flat and uninspiring I suspect it is AI because liz has far more intonation in the interview at the end then during the book. It makes it a bit of a tough listen

Comprehensive but audible version is a tough listen

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