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The Science and Technology of Growing Young

An Insider's Guide to the Breakthroughs That Will Dramatically Extend Our Lifespan . . . and What You Can Do Right Now

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25 minutes read | Text | 9 key ideas
Picture a world where the notion of celebrating your 200th birthday isn't a fantasy but an imminent reality. In ""The Science and Technology of Growing Young,"" Sergey Young, a pioneer in longevity innovation, unveils the groundbreaking advances reshaping our understanding of life itself. This transformative work peels back the layers of cutting-edge technology—from gene editing to AI diagnostics—that promise not just longer lives but better ones. Young envisions aging as a conquerable challenge, inviting readers into a future where age reversal and digital integration are within reach. Drawing from the insights of leading minds in science and health, this book offers a blueprint for thriving well past 100. With pragmatic strategies for today and an exhilarating glimpse of tomorrow, Young crafts a vision of humanity redefined, challenging us to rethink what it truly means to grow young.

Categories

Nonfiction, Self Help, Health, Science, Technology, Audiobook, Medicine, Biology, Book Club

Content Type

Book

Binding

Hardcover

Year

0

Publisher

BenBella Books

Language

English

ASIN

1950665879

ISBN

1950665879

ISBN13

9781950665877

File Download

PDF | EPUB

The Science and Technology of Growing Young Plot Summary

Introduction

Imagine waking up on your 150th birthday, not as a frail elder but with the body and mind of a 30-year-old. You start your morning with a quick health scan from your bathroom mirror, which confirms your biological age remains decades younger than your chronological years. After breakfast, you schedule your annual organ check-up, where doctors will examine the lab-grown heart you received twenty years ago and the bionic eyes that now allow you to see better than any natural human vision. This scenario isn't science fiction—it represents the convergence of cutting-edge technologies that are rapidly transforming our understanding of human longevity. The science of longevity stands at a fascinating crossroads where biology meets technology. For centuries, extending human lifespan beyond natural limits seemed an impossible dream. Today, researchers are not just adding years to life but life to years through revolutionary approaches that redefine aging itself. From precision medicine that tailors treatments to your unique genetic profile, to gene editing that can correct inherited diseases, to regenerative techniques that can grow replacement organs, we are witnessing the birth of what some call "Human Body 2.0." This book explores how these emerging technologies are creating a future where living well beyond 100 years may become not just possible but commonplace, and where the boundaries between human and machine, between repair and enhancement, grow increasingly blurred.

Chapter 1: Redefining Aging: Biological vs. Chronological Age

When someone asks your age, you typically respond with the number of years since your birth—your chronological age. However, scientists now understand this number tells only part of the story. Your biological age—how old your body actually is in terms of cellular health and function—can differ significantly from your chronological age. Two 50-year-olds might have vastly different biological ages depending on genetics, lifestyle choices, and environmental exposures. This distinction has profound implications for how we understand and potentially control the aging process. Researchers have identified several "hallmarks of aging"—biological processes that contribute to cellular deterioration over time. These include genomic instability (damage to DNA), telomere attrition (shortening of protective chromosome caps), epigenetic alterations (changes in gene expression), and cellular senescence (when cells stop dividing but don't die). By measuring these and other biomarkers, scientists have developed "biological clocks" that can assess aging more accurately than birthdays. The most famous of these, the Horvath epigenetic clock, measures specific changes in DNA methylation patterns to determine biological age with remarkable precision. Perhaps most exciting is the discovery that biological age isn't fixed. Studies show that certain interventions can actually reverse some markers of aging. When researchers at the Salk Institute applied "Yamanaka factors"—four genes that can reset cellular age—to mice, they observed remarkable rejuvenation effects. The mice's tissues were repaired and regenerated, their cardiovascular systems functioned better, and they even looked younger, with gray hair returning to its natural color. This suggests that aging may not be an inevitable one-way street but a biological process that can potentially be slowed or even reversed. Your psychological age—how old you feel—also plays a surprising role in longevity. Multiple studies reveal that people who feel younger than their chronological age show better physical health markers, including denser brain gray matter and longer telomeres. Conversely, those who feel older than their years face increased mortality risk. This mind-body connection suggests that our subjective experience of age might influence our biology in ways we're only beginning to understand. The implications of redefining aging are profound. If we can accurately measure biological age and develop interventions to slow or reverse it, we could potentially extend not just lifespan but "healthspan"—the period of life spent in good health. This would transform medicine from a primarily reactive practice focused on treating diseases to a proactive one aimed at maintaining optimal biological function regardless of chronological age. The goal isn't just to live longer but to remain healthy, active, and cognitively sharp throughout an extended lifespan.

Chapter 2: Precision Medicine: Personalizing Health Through Data

Teresa McKeown was preparing to die. After undergoing a double mastectomy and grueling chemotherapy for breast cancer, her illness had returned and metastasized. Multiple rounds of conventional treatment had failed, and at 53, she was writing goodbye letters to her family. Then something remarkable happened. Doctors at UC San Diego's Cancer Center examined the DNA of Teresa's cancer cells and used artificial intelligence to identify a drug called Opdivo as her best option—a medication typically used for skin cancer, not breast cancer. Four months after her first dose, Teresa's cancer was in full remission. This is precision medicine in action—a revolutionary approach that uses each individual's unique biological data to predict, prevent, and treat illness with unprecedented accuracy. Unlike conventional medicine's one-size-fits-all approach, precision medicine recognizes that every person has a unique genetic makeup, metabolism, microbiome, and environmental exposures that influence their health and response to treatments. The foundation of precision medicine is what scientists call your "personalome"—the incredibly sophisticated data picture of your health created by analyzing your genome (complete set of genes), epigenome (chemical modifications that regulate gene expression), microbiome (trillions of bacteria in your gut), proteome (proteins in your body), and other biological systems. Advanced technologies can now sequence your entire genome for a few hundred dollars, analyze your microbiome from a stool sample, and track thousands of biomarkers in your blood. Artificial intelligence is the key to making sense of this tsunami of health data. AI systems can analyze millions of medical records, research papers, and clinical trials to identify patterns invisible to human doctors. They can predict which patients will respond to specific treatments, detect subtle signs of disease years before symptoms appear, and even help develop new drugs tailored to specific genetic profiles. Companies like Deep Genomics use machine learning to predict how genetic variations might affect disease risk and drug response, while others like Tempus analyze cancer patients' genetic data to identify the most effective treatments. The implications for longevity are profound. Precision medicine enables doctors to identify your personal disease risks decades in advance and prescribe preventive measures specifically tailored to your biology. For instance, if your genetic profile indicates elevated risk for heart disease, doctors might recommend a personalized prevention plan including specific dietary changes, exercise regimens, and medications that work best with your particular genetic makeup. This proactive approach could prevent many diseases before they develop, potentially adding decades of healthy life. Precision medicine also transforms how drugs are developed and administered. Traditional clinical trials test drugs on large groups and measure average responses, often missing how the same drug might help some patients while harming others. Precision medicine allows for "N-of-1" trials, where treatments are tested and optimized for individual patients based on their unique biology. This approach not only improves outcomes but also accelerates drug development by identifying which specific patient populations will benefit most from new treatments.

Chapter 3: Gene Engineering: Editing Our Way to Longer Lives

Victoria Gray was just three months old when she experienced her first sickle-cell attack. Born with sickle-cell anemia, a hereditary condition affecting millions worldwide, Victoria suffered excruciating pain throughout her life as abnormally shaped red blood cells failed to carry oxygen properly throughout her body. By age 34, her condition had deteriorated so severely that she could barely care for her children. Then, in a groundbreaking medical first, doctors used a revolutionary technology called CRISPR-Cas9 to alter the genes in Victoria's bone marrow cells, effectively "editing" the genetic defect causing her disease. One year after treatment, Victoria was pain-free and living a normal life for the first time. This remarkable story illustrates the transformative potential of gene engineering—a suite of technologies that allow scientists to modify, repair, or enhance the genetic code of living organisms. The foundation for this revolution was laid by the Human Genome Project, which successfully sequenced all three billion nucleotide base pairs in human DNA. What once took 15 years and $3 billion can now be accomplished in hours for about $200, opening unprecedented possibilities for understanding and manipulating our genetic code. Gene engineering encompasses several approaches. Gene editing technologies like CRISPR-Cas9 function like molecular scissors, allowing scientists to cut DNA at specific locations and either remove defective genes or insert healthy ones. Gene therapy introduces new genes into the body to help fight disease, as with CAR T-cell therapy, which reprograms a patient's immune cells to recognize and destroy cancer. Scientists are even identifying "longevity genes" that naturally promote longer, healthier lives, with the potential to introduce these genes into people who don't naturally possess them. The implications for longevity are profound. Genetic engineering could potentially eliminate all hereditary diseases, from rare conditions like SCID (severe combined immunodeficiency) to common killers like heart disease. It could end the scourge of cancer by reprogramming our immune systems to recognize and destroy malignant cells. And it might eventually allow us to insert genes that slow or reverse the aging process itself. Researchers have already identified genes associated with exceptional longevity in centenarians—people who live past 100—and are working to understand how these genes might be harnessed to extend lifespan for everyone. While ethical questions about "playing God" with genetics must be addressed, the potential benefits are undeniable. As geneticist George Church puts it, "Every disease that's with us is caused by DNA. And every disease can be fixed by DNA." Within the coming decades, genetic engineering may transform the human experience of aging, making living to 150 or beyond not just possible but healthy and vibrant.

Chapter 4: Regenerative Medicine: Building New Body Parts

Dave Asprey, founder of Bulletproof Coffee and self-proclaimed "father of biohacking," underwent an unusual procedure at a medical center in Utah. Doctors extracted bone marrow from his pelvis and fat from his belly, processed the material to isolate stem cells, then injected these cells into every joint in his body—ankles, knees, hips, spine, neck, elbows, and wrists. Though perfectly healthy, Asprey believes this stem cell therapy will strengthen his joints, prevent arthritis, and extend his lifespan. "I'll continue to do this procedure twice a year until I'm at least 180," he claims. While Asprey's approach may seem extreme, it highlights a fundamental challenge of longevity: even if we eliminate disease and slow aging, our bodies still break down over time. This is where regenerative medicine comes in—a field focused not on preventing breakdown but on restoring, augmenting, and replacing damaged tissues and organs. Think of it as creating "Body 2.0"—a combination of original, refurbished, and replaced parts that can extend healthy function indefinitely. Stem cell therapy represents one promising approach. Stem cells are the body's "master cells," capable of developing into virtually any cell type—skin, muscle, bone, or brain. They serve as a reserve of building materials throughout life, helping repair damage and regenerate tissues. But as we age, stem cells die off or lose functionality, creating a double whammy: more damage and less ability to repair it. Stem cell therapy aims to reverse this decline by injecting functional stem cells into areas where they're needed most. Early clinical trials have shown promising results for conditions ranging from heart disease to Parkinson's to spinal cord injuries. Another approach focuses on organ replacement. With over 100,000 Americans waiting for organ transplants and only about 40,000 transplants performed annually, the shortage is critical. But new technologies are emerging to address this need. Companies like LyGenesis are developing ways to grow new organs inside your own body, using lymph nodes as bioreactors. Others are working on 3D bioprinting, using "bio-ink" made of living cells to create functional tissues and organs. Researchers at Tel Aviv University have already 3D-bioprinted an entire heart, complete with blood vessels and chambers, using a patient's own cells. Where biology fails, technology can step in. Bionic eyes from companies like Second Sight can restore vision to the blind. Advanced prosthetic limbs controlled by thought allow amputees to perform complex tasks. Researchers are even developing implantable artificial kidneys that connect directly to a person's blood vessels, eliminating the need for dialysis machines. These technologies don't just replace function—they often enhance it, creating capabilities that exceed those of natural human organs. In the future, maintaining your body may become as routine as maintaining your car—with regular check-ups, preventive replacements, and upgrades that keep you functioning optimally for decades or even centuries beyond what's possible today. The goal of regenerative medicine isn't just to extend life but to ensure that extended life remains active, capable, and free from the limitations of aging.

Chapter 5: Pharmaceutical Approaches to Slowing Aging

Nobody has died of "old age" since the 1950s—at least not officially. That's when the US National Center for Health Statistics removed "old age" as a valid cause of death, requiring doctors to list a specific disease or injury instead. This seemingly administrative decision has had profound implications for longevity research. Without aging recognized as a treatable condition, pharmaceutical companies have little incentive to develop drugs that target the aging process itself rather than its symptoms. Despite this obstacle, scientists have made remarkable progress in identifying compounds that may slow or even reverse aging. One of the first breakthroughs came from Harvard professor David Sinclair, who discovered that a molecule called resveratrol (found in red wine) mimics the effects of caloric restriction—one of the few interventions consistently shown to extend lifespan across species. Resveratrol activates proteins called sirtuins that regulate cellular function and repair, effectively putting cells into "housekeeping mode" where they break down and recycle damaged components. Another promising compound is rapamycin, discovered in soil samples from Easter Island (Rapa Nui). Originally developed as an immunosuppressant for organ transplants, rapamycin was found to extend lifespan in yeast, fruit flies, mice, and even dogs by inhibiting a cellular growth mechanism called mTOR. When mTOR is slowed, it helps prevent cancer, reduce inflammation, and improve cardiac health. In one study, middle-aged mice given rapamycin lived 25% longer than control groups and showed improved cognitive function and immune response. Perhaps the most studied potential longevity drug is metformin, derived from the flowering plant French lilac and widely used to treat diabetes. Doctors noticed something curious about diabetic patients taking metformin—they experienced improved cardiovascular health and lower incidence of cancer, stroke, Alzheimer's, and inflammation compared to non-diabetic populations. This led to the Targeting Aging with Metformin (TAME) trial, the first FDA-approved study specifically designed to test a drug's ability to delay the onset of multiple age-related diseases simultaneously. A newer class of drugs called senolytics targets "zombie" senescent cells—cells that should die but instead linger in an inflammatory state, causing damage to surrounding tissues. In mouse studies, senolytic drugs not only extended lifespan by up to 36% but also restored physical fitness, improved kidney function, and enhanced overall health. Early human trials have shown promising results for treating age-related conditions like pulmonary fibrosis and osteoarthritis. The search for a "longevity pill" is accelerating thanks to artificial intelligence, which can rapidly identify and optimize potential drug candidates. Companies like Insilico Medicine are using AI to discover molecules that may slow or reverse aging, potentially reducing the typical 12-year, $2 billion drug development process to just months or years. As regulatory bodies begin to recognize aging itself as a treatable condition, pharmaceutical companies will increasingly focus on developing drugs that address the root causes of age-related decline rather than just treating symptoms.

Chapter 6: Bionic Augmentation: Enhancing Human Capabilities

Long before bionics became popularized in science fiction, humans have been augmenting their bodies with mechanical devices. Ancient Egyptians crafted wooden toes, Romans developed rudimentary dentures, and the first electric hearing aid was invented in the 1800s. Today's bionic technologies, however, are transforming from mere replacements to enhancements that may exceed natural human capabilities, creating what some call "Human 2.0." Modern bionic eyes exemplify this remarkable progress. Second Sight, a California company, manufactures bionic eyes that restore primitive vision to people with complete blindness. Their system attaches a microelectrode array to the patient's retina, which, paired with special camera glasses and a computer processor, sends electrical signals through the optic nerve to restore rudimentary sight. Spanish researcher Dr. Eduardo Fernandez has taken this concept further by implanting electrode arrays directly into the visual cortex of the brain. His patient, Bernardéta Gomez, who had been completely blind for sixteen years, can now recognize objects, doorways, and even play simple video games. Hearing technologies have seen similarly remarkable advances. Modern cochlear implants attach an electrode array directly to the auditory nerve in the inner ear, picking up signals from an external microphone and relaying them to the brain. The results can be life-changing, as demonstrated by Sarah Churman, who at age twenty-nine heard her own voice and her children's voices for the first time after receiving cochlear implants. Future hearing devices may go beyond normal human capabilities, allowing wearers to filter specific sounds, amplify distant conversations, or even translate foreign languages in real-time. Prosthetic limbs have evolved from simple mechanical replacements to sophisticated appendages controlled by thought. The Johns Hopkins Applied Physics Lab has developed a prosthetic arm with twenty-six working joints, seventeen of which can move independently. What makes this technology particularly impressive is its control mechanism—the wearer simply thinks about moving the arm, and neurological signals execute the movement. Future prosthetics will not only carry signals from the brain to the limb but will also capture data on touch, texture, temperature, and pressure to deliver feedback directly to the brain, creating a truly integrated experience. The future of bionic augmentation extends beyond replacement to enhancement. Imagine a heart with multiple sensors that provide biofeedback on your cardiovascular function, internal temperature, and blood content. Bionic eyes might allow you to zoom in on distant objects, see in infrared or ultraviolet spectrums, or scan crowds using facial recognition. The visually impaired could navigate using heat-sensing cameras, lidar, GPS, and other technologies borrowed from autonomous driving. These enhancements would not just restore function but potentially provide capabilities exceeding those of natural human organs. As bionic technology advances, the line between medical necessity and elective enhancement will blur. People may choose to replace perfectly functional organs with bionic versions that offer superior capabilities or built-in health monitoring. This raises profound questions about human identity and what it means to be "natural" in an age of increasingly sophisticated augmentation. Yet for many, the promise of enhanced capabilities and extended healthy life will outweigh these philosophical concerns.

Chapter 7: Nanotechnology and Brain Interfaces: The Cyborg Future

The ultimate fusion of humans and machines may come through technologies so small they're invisible to the naked eye. Nanotechnology—the manipulation of matter at the nanoscale (1-100 nanometers)—promises to revolutionize medicine by creating microscopic robots that can travel through the bloodstream to diagnose and treat disease at the cellular level. This concept was first envisioned by physicist Richard Feynman in 1959 when he imagined: "You could swallow the surgeon. You put the mechanical surgeon inside the blood vessel and it goes into the heart and looks around... It finds out which valve is the faulty one and takes a little knife and slices it out." Today, Feynman's vision is becoming reality. Researchers at Max Planck Institute have developed a proof-of-concept robot that can be swallowed like a pill. Once inside your digestive system, it moves using magnets, takes pictures with a tiny camera, delivers drugs precisely where needed, and can even perform tissue biopsies. Other projects include a three-millimeter robotic jellyfish and spinning microrobots smaller than half the size of a red blood cell, both capable of delivering targeted medications to specific locations in the body. In the future, nanorobots measuring 50-100 nanometers in diameter could swarm through your body performing specialized diagnostic, maintenance, and repair functions more efficiently than your natural biology. Stanford researcher Adam de la Zerda has programmed gold nanoparticles to attach to cancerous brain tumor cells, allowing surgeons to precisely identify and remove tumors without damaging healthy tissue. MIT professor Sangeeta Bhatia has designed nanoparticles that roam the body searching for cancer cells, reacting to enzymes that only cancer cells release. These particles can detect ovarian, lung, and colon cancer at very early stages when treatment is most effective. Alongside nanotechnology, brain-machine interfaces (BMIs) represent another frontier in human-machine integration. These technologies allow direct communication between the brain and external devices, potentially creating what some call a "neural lace"—a seamless connection between mind and machine. Dr. Thomas Deuel, a Seattle-based neurologist, performs music using an "encephalophone" that combines an EEG with a synthesizer, allowing him to create melodies using only his thoughts. Companies like Emotiv have developed EEG headsets that enable wearers to manipulate objects in computers and the physical world through thought alone. Perhaps the most ambitious BMI project comes from Elon Musk's company Neuralink. They are developing ultra-thin threads that can be implanted in the brain to record and potentially stimulate neural activity. While early applications would help people with disabilities like paralysis or Parkinson's disease, Musk notes another goal is to "achieve a symbiosis with artificial intelligence" and expand human cognitive capabilities. Imagine being able to download languages or skills directly to your brain, access the internet through thought, or communicate telepathically with others who have similar implants. BMIs might eventually do more than just output commands—they could potentially input information as well. MIT researchers have demonstrated the ability to implant false memories in mice using a technique called optogenetics. A Wake Forest University study used electrode implants to improve human memory by 35 percent by stimulating the hippocampus with electrical pulses. These technologies suggest a future where our brains could be directly augmented with artificial processing power, memory storage, or sensory inputs beyond our natural capabilities.

Summary

The science of longevity stands at a transformative threshold where extending human lifespan to 150 years or beyond is becoming increasingly plausible. Through the convergence of precision medicine, genetic engineering, regenerative therapies, pharmaceutical interventions, bionic augmentation, and nanotechnology, we are witnessing the birth of a new paradigm in human biology. These technologies aren't merely adding years to life but life to years—enabling humans to remain healthy, vibrant, and cognitively sharp well past what was previously thought possible. As we gain the ability to regenerate, replace, and enhance our bodies, profound questions emerge about the nature of humanity and the ethics of radical life extension. Will these technologies exacerbate inequality if only available to the wealthy? How will our social structures adapt to humans living twice as long as they do today? What happens to our concept of self when our bodies contain increasingly artificial components or when our minds can directly interface with machines? The coming decades will require us not just to develop these technologies but to thoughtfully navigate their implications for what it means to be human in an age where the boundaries of life, death, and identity become increasingly fluid. For young people fascinated by this frontier, fields like bioengineering, computational biology, and medical ethics offer pathways to contribute to what may be the most significant scientific revolution of our time.

Best Quote

“Grain Brain and Brain Wash Dr. David Perlmutter) to manage my metabolism—at least until the TAME trial is completed!” ― Sergey Young, The Science and Technology of Growing Young: An Insider's Guide to the Breakthroughs that Will Dramatically Extend Our Lifespan . . . and What You Can Do Right Now

Review Summary

Strengths: The book introduces different life practices and perspectives from experts on health and longevity. It is seen as a thought-provoking read for those interested in living a longer, healthier life. Weaknesses: The practical advice offered is seen as common knowledge, often found in wellness magazines. For those familiar with scientific research, the book may seem redundant and a waste of time. There is also a sarcastic tone regarding the need for more funding to achieve breakthroughs in longevity. Overall Sentiment: Mixed Key Takeaway: While the book offers some interesting perspectives on longevity and health, its practical advice may not be novel for well-informed readers, and there is skepticism about the feasibility and sincerity of its promises regarding scientific advancements.

About Author

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Sergey Young

Sergey Young is a longevity investor and visionary with a mission to extend healthy lifespans of at least one billion people. To do that, Sergey founded Longevity Vision Fund to accelerate life extension technological breakthroughs and to make longevity affordable and accessible to all.Sergey is on the Board of Directors of the American Federation of Aging Research (AFAR) and the Development Sponsor of Age Reversal XPRIZE global competition designed to cure aging. Sergey is also a Top-100 Longevity Leader,who is transforming the world, one workplace at a time, with Longevity@Work – the first non-profit corporate longevity program of its kind.Sergey has been featured as a top longevity expert and contributor on Fox News, BBC, Sky News, Forbes, and Thrive Global.

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The Science and Technology of Growing Young

By Sergey Young

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