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Thông tin sản phẩm Lifespan: Why We Age―and Why We Don't Have To
Thương hiệu David A. Sinclair PhD là cái tên nổi tiếng được rất nhiều khách hàng trên thế giới chọn lựa. Với kiểu dáng đẹp mắt, sang trọng, sản phẩm Lifespan: Why We Age―and Why We Don't Have To là sự lựa chọn hoàn hảo nếu bạn đang tìm mua một món Diseases & Physical Ailments cho riêng mình.
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Mô tả sản phẩm
A NEW YORK TIMES BESTSELLER “Brilliant and enthralling.” —The Wall Street Journal
A paradigm-shifting book from an acclaimed Harvard Medical School scientist and one of Time’s most influential people.
It’s a seemingly undeniable truth that aging is inevitable. But what if everything we’ve been taught to believe about aging is wrong? What if we could choose our lifespan?
In this groundbreaking book, Dr. David Sinclair, leading world authority on genetics and longevity, reveals a bold new theory for why we age. As he writes: “Aging is a disease, and that disease is treatable.”
This eye-opening and provocative work takes us to the frontlines of research that is pushing the boundaries on our perceived scientific limitations, revealing incredible breakthroughs—many from Dr. David Sinclair’s own lab at Harvard—that demonstrate how we can slow down, or even reverse, aging. The key is activating newly discovered vitality genes, the descendants of an ancient genetic survival circuit that is both the cause of aging and the key to reversing it. Recent experiments in genetic reprogramming suggest that in the near future we may not just be able to feel younger, but actually become younger.
Through a page-turning narrative, Dr. Sinclair invites you into the process of scientific discovery and reveals the emerging technologies and simple lifestyle changes—such as intermittent fasting, cold exposure, exercising with the right intensity, and eating less meat—that have been shown to help us live younger and healthier for longer. At once a roadmap for taking charge of our own health destiny and a bold new vision for the future of humankind, Lifespan will forever change the way we think about why we age and what we can do about it.
“ Lifespan is entertaining and fast-paced—a whirlwind tour of the recent past and a near future that will see 90 become the new 70. In a succession of colorfully titled chapters (‘The Demented Pianist’, ‘A Better Pill to Swallow’), Sinclair and LaPlante weave a masterful narrative of how we arrived at this crucial inflection point.” ― Nature Journal
“Sinclair’s work on slowing the aging process, and even reversing some aspects of it, could lead to the most significant set of medical breakthroughs since the discovery of antibiotics nearly a century ago.” ― Sydney Morning Herald
"In this insightful and provocative book that asks questions about how we age, and whether humans can overcome decay and degeneration, Sinclair grapples with some of the most fundamental questions around the science of aging. The result is an elegant and exciting book that deserves to be read broadly and deeply." -- Siddhartha Mukherjee, Pulitzer Prize–winning and #1 New York Times bestselling author
“There are few books that have ever made me think about science in a fundamentally new way. David Sinclair’s book did that for me on aging. This is a book that anyone who ages must read.” -- Leroy Hood, PhD, professor at the California Institute of Technology, inventor, entrepreneur, member of all three US National Academies, and co-author of Code of Codes
“If you ever wondered how we age, if we can slow or even reverse aging, and if we can live a healthy 100 plus years, then David Sinclair’s new book Lifespan, which reads like a detective novel, will guide you through the science and the practical strategies to make your health span equal your lifespan, and make your lifespan long and vibrant.” -- Mark Hyman, MD, director of the Cleveland Clinic Center for Functional Medicine and #1 New York Times bestselling author
“This is the most visionary book about aging I have ever read. Seize the day—and seize this book!” -- Dean Ornish, MD, founder and president of the Preventative Medicine Research Institute and New York Times bestselling author of UnDo It!
“In Lifespan, David Sinclair eloquently tells us the secret everyone wants to know: how to live longer and age slower. Boldly weaving cutting-edge science with fascinating bits of history, sociology, and morality, Sinclair convinces us that it is not only possible to live beyond one hundred years, it is inevitable that we will be able to one day do so. If you are someone who wants to know how to beat aging, Lifespan is a must-read.” -- William W. Li, MD, New York Times bestselling author of Eat to Beat Disease
“For years, the aging field has been about vitamins, juicebars, and snake oil. Now, in a seminal book, Harvard Professor David Sinclair has changed the landscape: he has combined precise science, practical translation, and autobiography to produce a rare book that is insightful, inspiring, and informative. He has translated a wealth of molecular detail into a program that we can all use to live longer and healthier. This is part of the ongoing revolution in aging and chronic disease, and there is no one who is better suited to write such an authoritative book than David Sinclair. For anyone interested in understanding the aging process, living longer, and avoiding the diseases of aging, this is the book to read.” -- Dale Bredesen, MD, New York Times bestselling author of The End of Alzheimer's
“A visionary book from one of the most masterful longevity scientists of our time. Lifespan empowers us to change our health today while revealing a potential future when we live younger for longer.” -- Sara Gottfried, MD, New York Times bestselling author of The Hormone Cure
“Prepare to have your mind blown. You are holding in your hands the precious results of decades of work, as shared by Dr. David Sinclair, the rock star of aging and human longevity.” -- Dave Asprey, founder and CEO of Bulletproof and New York Times bestselling author of The Bulletproof Diet
“Imagine a world in which we can live long enough to meet not just our grandchildren, but our great-grandchildren. This is Sinclair’s vision for the future of humankind, a vision that looks to science, nature, history, and even politics to make the case that it is possible to live well into our hundreds. Lifespan is boldly leading the way.” -- Jason Fung, MD, author of The Diabetes Code and The Obesity Code
“I have had the pleasure of knowing Dr. David Sinclair and following his groundbreaking research into the causes and reversal of aging for many years. In Lifespan, David takes us on an entertainingly wild ride into both the author’s fascinating personal journey of discovery and his seminal research into why we age. But more importantly, he provides us with the everyday tools that we can all use to stop what he now calls ‘the disease of aging.’. . . You owe it to yourself and your loved ones to read and follow his advice, as I have for the last 15 years!” -- Steven R Gundry, MD, New York Times bestselling author of The Longevity Paradox and medical director of the International Heart and Lung Institute
“David Sinclair masterfully presents a bold vision of the future in which humanity is able to slow or reverse the aging process and live younger, healthier lives for longer. He engages the reader in a thorough examination of the science and emerging technologies that will enable humanity to achieve this vision.” -- Victor J. Dzau, MD, president of the US National Academy of Medicine and CEO of Duke University Medical Center
“ Lifespan is the book we have been waiting for. It transcends everything we know about aging and longevity—a combination of brilliant scientific work, a pioneering mind, and the dream for a longer, healthier and happier life. Lifespan provides a vision for our future and the roadmap on how to get there, merging scientific breakthroughs and simple lifestyle changes to not only help us feel younger, but actually become younger.” -- Naomi Whittel, New York Times bestselling author of Glow15
“I have written about the brilliant work of David Sinclair for over fifteen years and have watched his life’s mission of using science to slow the scourge of old age and dying move from the outer edge to more mainstream biology (he’s still pushing boundaries!) as his careful work in the lab has steadily shed light on how the mechanisms of aging work in humans and in other organisms. In Lifespan, the full force of his optimism, humor, and soft-spoken eloquence as a storyteller-scientist come through. I was charmed and delighted by his skill at blending his own life’s narrative and others’ with clear and levelheaded explanations of some very complex and emerging science. I’m hoping we have David Sinclair with us and doing his science and writing books for another 500 years, give or take a century.” -- David Ewing Duncan, award-winning journalist, bestselling author, and curator of Arc Fusion
“ Lifespan gives us hope for an extraordinary life. As the brilliant Dr. David Sinclair explains, aging is a disease, and that disease is treatable. This eye-opening book takes you to frontlines of incredible breakthroughs. What could be more valuable than an extended health lifespan? Enjoy this must read masterpiece!” -- Peter H. Diamandis, MD, New York Times bestselling author of Abundance and Bold
“David is a pioneer poised to change how we think about and understand aging.” -- Stephanie Lederman, CEO of the American Federation for Aging Research (AFAR), New York
“The most important message and priority of our time. For years to come, humanity will reflect on this book with awe and respect. Read it. . . . Your life depends on it.” -- Marc Hodosh, former owner & co-creator of TEDMED
“A tour de force. Sinclair’s book, and his life’s work ranks with humanity’s greatest contributions to helping enhance the joy and happiness of life, ranking with the works of Jenner, Pasteur, Salk, Locke, Gandhi, and Edison. Lifespan is a groundbreaking literary triptych that expertly combines the science of living longer, a practical checklist to unleash our inner potential for healthy longevity, and a brilliant philosophical, policy and ethical synthesis. A masterpiece.” -- Martine Rothblatt, founder, Chairwoman of the Board, and CEO of United Therapeutics and creator of SiriusXM Satellite Radio
“Stepping on the moon changed humanity. In Lifespan, Sinclair takes the ultimate step for humanity that will transform our lives beyond anything we could ever have imagined. If you can put your deepest beliefs aside, this will be the most important book you will ever read. The author is bold, the science is profound, and our future is here.” -- Henry Markram, PhD, professor at EPFL, Switzerland, director of the Blue Brain Project, and founder of Frontiers open-access journals
“An intellectually fascinating book with tantalizing insights on the most important issue about yours and everyone’s future.” -- Andrew Scott, PhD, professor of economics at London Business School and author of The 100-Year Life
“Throughout the book, the author’s enthusiasm jumps off the page.” ― Kirkus Reviews
“Sinclair’s dedication to understanding aging on both a microscopic and global scale is bound to shatter centuries of paradigms.” ― Scientific Inquirer
“The book, which surpasses everything we know about aging and life extension, has been written with a rich literary material of impressive depth and clarity to offer a deeper understanding of genetics and human longevity research.” ― Wall Street Pit
“Brilliant and enthralling." — Wall Street Journal
About the Author
David Sinclair, PhD, AO, is a professor of genetics at Harvard Medical School. One of the leading innovators of his generation, he has been named by Time as “one of the 100 most influential people in the world” and top fifty most influential people in healthcare. He is a board member of the American Federation for Aging Research and has received more than thirty-five awards for his research and major scientific breakthroughs. Dr. Sinclair and his work have been featured on 60 Minutes, Today, The Wall Street Journal, TheNew York Times, Fortune, and Newsweek, among others. He lives in Boston and enjoys hiking and kayaking with his wife and three children. To learn more, visit LifespanBook.com and follow him on Twitter @DavidASinclair.
Matthew LaPlante is an associate professor of journalistic writing at Utah State University, where he teaches news reporting and feature writing. A former US Navy intelligence specialist and Middle East war correspondent, he is the author of Superlative:The Biology of Extremes and the cowriter of multiple other books on the intersection of science and society. He lives in Salt Lake City and skis in Big Cottonwood Canyon. To learn more, visit MDLaPlante.com and follow him on Twitter @MDLaPlante.
I GREW UP ON THE edge of the bush. In figurative terms, my backyard was a hundred-acre wood. In literal terms, it was much bigger than that. It went on as far as my young eyes could see, and I never grew tired of exploring it. I would hike and hike, stopping to study the birds, the insects, the reptiles. I pulled things apart. I rubbed the dirt between my fingers. I listened to the sounds of the wild and tried to connect them to their sources.
And I played. I made swords from sticks and forts from rocks. I climbed trees and swung on branches and dangled my legs over steep precipices and jumped off of things that I probably shouldn’t have jumped off. I imagined myself as an astronaut on a distant planet. I pretended to be a hunter on safari. I lifted my voice for the animals as though they were an audience at the opera house.
“Coooeey!” I would holler, which means “Come here” in the language of the Garigal people, the original inhabitants.
I wasn’t unique in any of this, of course. There were lots of kids in the northern suburbs of Sydney who shared my love of adventure and exploration and imagination. We expect this of children. We want them to play this way.
Until, of course, they’re “too old” for that sort of thing. Then we want them to go to school. Then we want them to go to work. To find a partner. To save up. To buy a house.
Because, you know, the clock is ticking.
My grandmother was the first person to tell me that it didn’t have to be that way. Or, I guess, she didn’t tell me so much as show me.
She had grown up in Hungary, where she spent Bohemian summers swimming in the cool waters of Lake Balaton and hiking in the mountains of its northern shore at a holiday resort that catered to actors, painters, and poets. In the winter months, she helped run a hotel in the Buda Hills before the Nazis took it over and converted it to the central command of the Schutzstaffel, or “SS.”
A decade after the war, in the early days of the Soviet occupation, the Communists began to shut down the borders. When her mother tried to cross illegally into Austria, she was caught, arrested, and sentenced to two years in jail and died shortly after. During the Hungarian Uprising in 1956, my grandmother wrote and distributed anti-Communist newsletters in the streets of Budapest. After the revolution was crushed, the Soviets began arresting tens of thousands of dissidents, and she fled to Australia with her son, my father, reasoning that it was the furthest they could get from Europe.
She never set foot in Europe again, but she brought every bit of Bohemia with her. She was, I have been told, one of the first women to sport a bikini in Australia and got chased off Bondi Beach because of it. She spent years living in New Guinea—which even today is one of the most intensely rugged places on our planet—all by herself.
Though her bloodline was Ashkenazi Jew and she had been raised a Lutheran, my grandmother was a very secular person. Our equivalent of the Lord’s Prayer was the English author Alan Alexander Milne’s poem “Now We Are Six,” which ends:
But now I am six,
I’m as clever as clever.
So I think I’ll be six now
for ever and ever.
She read that poem to my brother and me again and again. Six, she told us, was the very best age, and she did her damnedest to live life with the spirit and awe of a child of that age.
Even when we were very young, my grandmother didn’t want us to call her “grandmother.” Nor did she like the Hungarian term, “nagymama,” or any of the other warm terms of endearment such as “bubbie,” “grandma,” and “nana.”
To us boys, and everyone else, she was simply Vera.
Vera taught me to drive, swerving and swaying across all of the lanes, “dancing” to whatever music was on the car’s radio. She told me to enjoy my youth, to savor the feeling of being young. Adults, she said, always ruined things. Don’t grow up, she said. Never grow up.
Well into her 60s and 70s, she was still what we call “young at heart,” drinking wine with friends and family, eating good food, telling great stories, helping the poor, sick, and less fortunate, pretending to conduct symphonies, laughing late into the night. By just about anyone’s standard, that’s the mark of a “life well lived.”
But yes, the clock was ticking.
By her mid-80s, Vera was a shell of her former self, and the final decade of her life was hard to watch. She was frail and sick. She still had enough wisdom left to insist that I marry my fiancée, Sandra, but by then music gave her no joy and she hardly got out of her chair; the vibrancy that had defined her was gone.
Toward the end, she gave up hope. “This is just the way it goes,” she told me.
She died at the age of 92. And, in the way we’ve been taught to think about these things, she’d had a good, long life. But the more I have thought about it, the more I have come to believe that the person she truly was had been dead many years at that point.
Growing old may seem a distant event, but every one of us will experience the end of life. After we draw our last breath, our cells will scream for oxygen, toxins will accumulate, chemical energy will be exhausted, and cellular structures will disintegrate. A few minutes later, all of the education, wisdom, and memories that we cherished, and all of our future potential, will be irreversibly erased.
I learned this firsthand when my mother, Diana, passed away. My father, my brother, and I were there. It was a quick death, thankfully, caused by a buildup of liquid in her remaining lung. We had just been laughing together about the eulogy I’d written on the trip from the United States to Australia, and then suddenly she was writhing on the bed, sucking for air that couldn’t satisfy her body’s demand for oxygen, staring at us with desperation in her eyes.
I leaned in and whispered into her ear that she was the best mom I could have wished for. Within a few minutes, her neurons were dying, erasing not just the memory of my final words to her but all of her memories. I know some people die peacefully. But that’s not what happened to my mother. In those moments she was transformed from the person who had raised me into a twitching, choking mass of cells, all fighting over the last residues of energy being created at the atomic level of her being.
All I could think was “No one tells you what it is like to die. Why doesn’t anyone tell you?”
There are few people who have studied death as intimately as the Holocaust documentary filmmaker Claude Lanzmann. And his assessment—indeed, his warning—is chilling. “Every death is violent,” he said in 2010. “There is no natural death, unlike the picture we like to paint of the father who dies quietly in his sleep, surrounded by his loved ones. I don’t believe in that.”
Even if they don’t recognize its violence, children come to understand the tragedy of death surprisingly early in their lives. By the age of four or five, they know that death occurs and is irreversible. It is a shocking thought for them, a nightmare that is real.
A “GOOD, LONG LIFE.” My grandmother “Vera” sheltered Jews in World War II, lived in primitive New Guinea, and was removed from Bondi Beach for wearing a bikini. The end of her life was hard to watch. “This is just the way it goes,” she said. But the person she truly was had been dead many years at that point.
At first, because it’s calming, most children prefer to think that there are certain groups of people who are protected from death: parents, teachers, and themselves. Between 5 and 7, however, all children come to understand the universality of death. Every family member will die. Every pet. Every plant. Everything they love. Themselves, too. I can remember first learning this. I can also very well remember our oldest child, Alex, learning it.
“Dad, you won’t always be around?”
“Sadly, no,” I said.
Alex cried on and off for a few days, then stopped, and never asked me about it again. And I’ve never again mentioned it, either.
It doesn’t take long for the tragic thought to be buried deep in the recesses of our subconscious. When asked if they worry about death, children tend to say that they don’t think about it. If asked what they do think about it, they say it is not a concern because it will occur only in the remote future, when they get old.
That’s a view most of us maintain until well into our fifties. Death is simply too sad and paralyzing to dwell on each day. Often, we realize it too late. When it comes knocking, and we are not prepared, it can be devastating.
For Robin Marantz Henig, a columnist at the New York Times, the “bitter truth” about mortality came late in life, after she became a grandparent. “Beneath all the wonderful moments you may be lucky enough to share in and enjoy,” she wrote, “your grandchild’s life will be a long string of birthdays you will not live to see.”
It takes courage to consciously think about your loved ones’ mortality before it actually happens. It takes even more courage to deeply ponder your own.
It was the comedian and actor Robin Williams who first demanded this courage from me through his portrayal of John Keating, the teacher and hero in the film Dead Poets Society, who challenges his teenage students to stare into the faces of the long-dead boys in a fading photo.
“They are not that different from you, are they?” Keating says. “Invincible, just like you feel. . . . Their eyes are full of hope . . . But you see, gentlemen, these boys are now fertilizing daffodils.”
Keating encourages the boys to lean in closer to listen for a message from the grave. Standing behind them, in a quiet, ghostly voice, he whispers, “Carpe. Carpe diem. Seize the day, boys. Make your lives extraordinary.”
That scene had an enormous impact on me. It is likely that I would not have had the motivation to become a Harvard professor if it hadn’t been for that movie. At the age of 20, I had finally heard someone else say what my grandmother had taught me at an early age: Do your part to make humanity be the best it can be. Don’t waste a moment. Embrace your youth; hold on to it for as long as you can. Fight for it. Fight for it. Never stop fighting for it.
But instead of fighting for youth, we fight for life. Or, more specifically, we fight against death.
As a species, we are living much longer than ever. But not much better. Not at all. Over the past century we have gained additional years, but not additional life—not life worth living anyway.
And so most of us, when we think about living to 100, still think “God forbid,” because we’ve seen what those final decades look like, and for most people, most of the time, they don’t look appealing at all. Ventilators and drug cocktails. Broken hips and diapers. Chemotherapy and radiation. Surgery after surgery after surgery. And hospital bills; my God, the hospital bills.
We’re dying slowly and painfully. People in rich countries often spend a decade or more suffering through illness after illness at the ends of their lives. We think this is normal. As lifespans continue to increase in poorer nations, this will become the fate of billions of additional people. Our successes in extending life, the surgeon and doctor Atul Gawande has noted, have had the effect of “making mortality a medical experience.”
But what if it didn’t have to be that way? What if we could be younger longer? Not years longer but decades longer. What if those final years didn’t look so terribly different from the years that came before them? And what if, by saving ourselves, we could also save the world?
Maybe we can never be six again—but how about twenty-six or thirty-six?
What if we could play as children do, deeper into our lives, without worrying about moving on to the things adults have to do so soon? What if all of the things we need to compress into our teenage years didn’t need to be so compressed after all? What if we weren’t so stressed in our 20s? What if we weren’t feeling middle-aged in our 30s and 40s? What if, in our 50s, we wanted to reinvent ourselves and couldn’t think of a single reason why we shouldn’t? What if, in our 60s, we weren’t fretting about leaving a legacy but beginning one?
What if we didn’t have to worry that the clock was ticking? And what if I told you that soon—very soon, in fact—we won’t?
Well, that’s what I’m telling you.
I’m fortunate that after thirty years of searching for truths about human biology, I find myself in a unique position. If you were to visit me in Boston, you’d most likely find me hanging out in my lab at Harvard Medical School, where I’m a professor in the Department of Genetics and codirector of the Paul F. Glenn Center for the Biological Mechanisms of Aging. I also run a sister lab at my alma mater, the University of New South Wales in Sydney. In my labs, teams of brilliant students and PhDs have both accelerated and reversed aging in model organisms and have been responsible for some of the most cited research in the field, published in some of the world’s top scientific journals. I am also a cofounder of a journal, Aging, that provides space to other scientists to publish their research on one of the most challenging and exciting questions of our time, and a cofounder of the Academy for Health and Lifespan Research, a group of the top twenty researchers in aging worldwide.
In trying to make practical use of my discoveries, I’ve helped start a number of biotechnology companies and sit as a chair of the scientific boards of advisers of several others. These companies work with hundreds of leading academics in scientific areas ranging from the origin of life to genomics to pharmaceuticals. I am, of course, aware of my own labs’ discoveries years before they are made public, but through these associations, I’m also aware of many other transformational discoveries ahead of time, sometimes a decade ahead. The coming pages will serve as your backstage pass and your front-row seat.
Having received the equivalent of a knighthood in Australia and taken on the role of an ambassador, I’ve been spending quite a bit of my time briefing political and business leaders around the world about the ways our understanding of aging is changing—and what that means for humanity going forward.
I’ve applied many of my scientific findings to my own life, as have many of my family members, friends, and colleagues. The results—which, it should be noted, are completely anecdotal—are encouraging. I’m now 50, and I feel like a kid. My wife and kids will tell you I act like one, too.
That includes being a stickybeak, the Australian term for someone who is overly inquisitive, perhaps derived from the currawong crows that used to punch through the foil lids of the milk bottles delivered to our homes and drink the milk out of them. My old high school friends still like to tease me about how, whenever they came over to my parents’ house, they would find me pulling something apart: a pet moth’s cocoon, a spider’s curled-up leaf shelter, an old computer, my father’s tools, a car. I became quite good at it. I just wasn’t very good at putting these things back together.
I couldn’t bear not knowing how something worked or where it came from. I still can’t—but at least now I get paid for it.
My childhood home is perched on a rocky mountainside. Below is a river that runs into Sydney Harbor. Arthur Phillip, the first governor of New South Wales, explored these valleys in April 1788, only a few months after he and his First Fleet of marines, prisoners, and their families established a colony on the shores of what he called the “finest and most extensive harbor in the universe.” The person most responsible for him being there was the botanist Sir Joseph Banks, who eighteen years earlier had sailed up the Australian coastline with Captain James Cook on his “voyage round the world.”
After returning to London with hundreds of plant specimens to impress his colleagues, Banks lobbied King George III to start a British penal colony on the continent, the best site for which, he argued, not coincidentally, would be a bay called “Botany” on “Cape Banks.” The First Fleet settlers soon discovered that Botany Bay, despite its most excellent name, had no source of water, so they sailed up to Sydney Harbor and found one of the world’s largest “rias,” a highly branched, deep waterway that formed when the Hawkesbury River system had been flooded by rising sea levels after the last ice age.
At the age of 10, I had already discovered through exploration that the river in my backyard flowed down into Middle Harbor, a branch of Sydney Harbor. But I could no longer stand not knowing where the river originated. I needed to know what the beginning of a river looked like.
I followed it upstream, left the first time it forked and right the time after that, wending into and out of several suburbs. By nightfall I was miles from home, beyond the last mountain on the horizon. I had to ask a stranger to let me call my mother to beg her to come pick me up. A few times after that I tried searching upstream, but never did get anywhere close to the fount. Like Juan Ponce de León, the Spanish explorer of Florida known for his apocryphal quest to find the Fountain of Youth, I failed.
Ever since I can remember, I have wanted to understand why we grow old. But finding the source of a complex biological process is like searching for the spring at the source of a river: it’s not easy.
On my quest, I’ve wound my way left and right and had days when I wanted to give up. But I’ve persevered. Along the way, I have seen a lot of tributaries, but I’ve also found what may be the spring. In the coming pages, I will present a new idea about why aging evolved and how it fits into what I call the Information Theory of Aging. I will also tell you why I have come to see aging as a disease—the most common disease—one that not only can but should be aggressively treated. That’s part I.
In part II, I will introduce you to the steps that can be taken right now—and new therapies in development—that may slow, stop, or reverse aging, bringing an end to aging as we know it.
And yes, I fully recognize the implications of the words “bringing an end to aging as we know it,” so, in part III, I will acknowledge the many possible futures these actions could create and propose a path to a future that we can look forward to, a world in which the way we can get to an increased lifespan is through an ever-rising healthspan, the portion of our lives spent without disease or disability.
There are plenty of people who will tell you that’s a fairy tale—closer to the works of H. G. Wells than those of C. R. Darwin. Some of them are very smart. A few are even people who understand human biology quite well and whom I respect.
Those people will tell you that our modern lifestyles have cursed us with shortening lifespans. They’ll say you’re unlikely to see 100 years of age and that your children aren’t likely to get to the century mark, either. They’ll say they’ve looked at the science of it all and done the projections, and it sure doesn’t seem likely that your grandchildren will get to their 100th birthdays, either. And they’ll say that if you do get to 100, you probably won’t get there healthy and you definitely won’t be there for long. And if they grant you that people will live longer, they’ll tell you that it’s the worst thing for this planet. Humans are the enemy!
They’ve got good evidence for all of this—the entire history of humanity, in fact.
Sure, little by little, millennia by millennia, we’ve been adding years to the average human life, they will say. Most of us didn’t get to 40, and then we did. Most of us didn’t get to 50, and then we did. Most of us didn’t get to 60, and then we did. By and large, these increases in life expectancy came as more of us gained access to stable food sources and clean water. And largely the average was pushed upward from the bottom; deaths during infancy and childhood fell, and life expectancy rose. This is the simple math of human mortality.
But although the average kept moving up, the limit did not. As long as we’ve been recording history, we have known of people who have reached their 100th year and who might have lived a few years beyond that mark. But very few reach 110. Almost no one reaches 115.
Our planet has been home to more than 100 billion humans so far. We know of just one, Jeanne Calment of France, who ostensibly lived past the age of 120. Most scientists believe she died in 1997 at the age of 122, although it’s also possible that her daughter replaced her to avoid paying taxes. Whether or not she actually made it to that age really doesn’t matter; others have come within a few years of that age but most of us, 95 percent to be precise, are dead before 100.
So it certainly makes sense when people say that we might continue to chip away at the average, but we’re not likely to move the limit. They say it’s easy to extend the maximum lifespan of mice or of dogs, but we humans are different. We simply live too long already.
They are wrong.
There’s also a difference between extending life and prolonging vitality. We’re capable of both, but simply keeping people alive—decades after their lives have become defined by pain, disease, frailty, and immobility—is no virtue.
Prolonged vitality—meaning not just more years of life but more active, healthy, and happy ones—is coming. It is coming sooner than most people expect. By the time the children who are born today have reached middle age, Jeanne Calment may not even be on the list of the top 100 oldest people of all time. And by the turn of the next century, a person who is 122 on the day of his or her death may be said to have lived a full, though not particularly long, life. One hundred and twenty years might be not an outlier but an expectation, so much so that we won’t even call it longevity; we will simply call it “life,” and we will look back with sadness on the time in our history in which it was not so.
What’s the upward limit? I don’t think there is one. Many of my colleagues agree. There is no biological law that says we must age. Those who say there is don’t know what they’re talking about. We’re probably still a long way off from a world in which death is a rarity, but we’re not far from pushing it ever farther into the future.
All of this, in fact, is inevitable. Prolonged healthy lifespans are in sight. Yes, the entire history of humanity suggests otherwise. But the science of lifespan extension in this particular century says that the previous dead ends are poor guides.
It takes radical thinking to even begin to approach what this will mean for our species. Nothing in our billions of years of evolution has prepared us for this, which is why it’s so easy, and even alluring, to believe that it simply cannot be done.
But that’s what people thought about human flight, too—up until the moment someone did it.
Today the Wright brothers are back in their workshop, having successfully flown their gliders down the sand dunes of Kitty Hawk. The world is about to change.
And just as was the case in the days leading up to December 17, 1903, the majority of humanity is oblivious. There was simply no context with which to construct the idea of controlled, powered flight back then, so the idea was fanciful, magical, the stuff of speculative fiction.
Then: liftoff. And nothing was ever the same again.
We are at another point of historical inflection. What hitherto seemed magical will become real. It is a time in which humanity will redefine what is possible; a time of ending the inevitable.
Indeed, it is a time in which we will redefine what it means to be human, for this is not just the start of a revolution, it is the start of an evolution.