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For much of human history, living up to a ripe old age was seen as a gift from the gods, an aberration, or just the product of sheer luck. Given that up to the beginning of the twentieth century, many of us succumbed to disease at an early age, being extremely fortunate to live past the age of forty, it should be no surprise that living a long life is still considered today as something akin to winning the lottery.

Even when confronted with the galloping pace of scientific advances in human longevity, our historical sensibilities have led us to take a defeatist stance towards the subject: “Even if longevity interventions become available during my lifetime, I am already too late to take advantage of them, so why bother?”

Dismissing the science as being science fiction

Indeed, this hesitation to see human life extension as a real possibility in our lifetime, dismissing it as a dream belonging to the realms of science fiction[1] and futuristic utopias[2] is not an uncommon one, and as long as tangible rejuvenation therapies do not become available, this attitude will be validated as pragmatic.

Today, however, rejuvenation biotechnology is far from a fictional dream; it is a quickly growing field, and advances that may increase the lifespan of you and your children to well over a hundred years are already making their way to the clinic, and this is something we can no longer ignore.

Every reality begins with a dream. Only 114 years ago, the Wright brothers made the first powered flight a reality, and since then, we have taken to the skies, orbited the earth, and landed a man on the moon. What had been an impossible dream for millennia, that of human flight, has, in the span of a century, become a reality of everyday life for all of us. Today, most of us will have flown in an airplane and have ceased to see this as exceptional. It would be short-sighted to think that the same will not happen with new technologies, such as cryonics and rejuvenation.

Rising life expectancy and the arrival of rejuvenation therapies

One of the most powerful arguments for the reality of longer lifespans comes from the astounding increases in life expectancy in the last hundred years. Since the 1900’s, life expectancy has risen from about 47 years in developed countries to 79 years at birth.

Most children born in the West today are expected to live well over their 80’s, almost twice as long as they were 100 years ago, adding up to about 3 months per year! This means that for every four years we can remain healthy, we are awarded another year of life, and with the increasing pace of technologies whose aim is to mitigate, even reverse, the damages caused by aging, this gap is only getting shorter.

This, together with the introduction of genuine anti-aging therapies in clinics and an increase in the number of upcoming clinical trials for these drugs, makes a strong case for the arrival of these therapies in the very near future.

In the last year alone, we have seen a rapid rise in the number of senolytics (drugs with the aim of clearing senescent cells) under development, with companies such as Unity Biotechnology recently raising more than 100 million dollars to push these therapies through the US regulatory process and into the clinic. Last year, scientists found a way to cheaply synthesize glucosepane, a key molecule thought to be a crucial factor in aging as well as diabetes, inflammation, and vascular health. A drug that clears glucosepane from the body is now being developed by the Spiegel Lab (Yale University), among others, and the first potential drug candidates are projected to be available within the next 10 years.

Not only this, but in late 2016, NMN (a NAD+ precursor involved in DNA repair and highly promising longevity promoter) entered human clinical trials in Japan, while in March of this year, Dr. David Sinclair announced that human trials of NMN therapy would begin at the Brigham and Women’s Hospital (Harvard Medical School) in Boston within the next 6 months.

This is only the tip of the iceberg. At this point, it is indeed challenging to continue to pull the wool over our eyes. Not only are these therapies likely to become available in our lifetime, but it seems that many of them will be reaching the market within the next decade.

Questioning our preconceived assumptions about what is possible

However, reflecting on the feasibility and the desirability of bringing aging under comprehensive medical control inevitably demands that we question many of our preconceived assumptions regarding what is possible, what is or isn’t good for us, and what is acceptable. Disputing what one had long thought to be true—or at least learned to accept—is never without effort or discomfort, and this is especially true when we consider that many of us still see aging as an inevitable, perhaps even necessary, fact of life. It should thus come as no surprise that one of the most common responses to the thought of robust rejuvenation is that of neglect; in other words, why should we concern ourselves with something that might come to pass only after we are long gone?

As we have noted above, the first rejuvenation therapies are certainly not centuries off; they are a couple of decades away at worst, and some, such as senolytics and DNA repair therapies, may be entering the clinic within the next ten years. Unlike people a hundred years ago, we have every reason to concern ourselves with the arrival of medical interventions to target aging, as our efforts now could significantly accelerate the pace at which these therapies will march from the laboratory to the clinic.

Our actions today have the possibility, for the first time in history, to bring a profound change to the number of people who may live long enough to benefit from rejuvenation. By acting to speed up the development of the first therapies in the coming years, we ensure that the large majority of people today are granted the opportunity to take advantage of them; conversely, our inaction will lead to a slowing down of the pace of progress, making the impossibility of robust rejuvenation a self-fulfilling prophecy.

In any case, people who label rejuvenation as a futile pursuit that will only benefit future generations should consider the fact that their children and grandchildren themselves form part and parcel of that generation, and at least they may stand a good chance to evade the ravages of time.

Even if we might not live long enough to benefit ourselves, this thought alone should make this enterprise a worthwhile one indeed. What may turn out to be woefully short-sighted, however, is dismissing rejuvenation as a possibility—or worse, opposing it!—on the grounds that we might not benefit from it personally. If we adopted this stance on climate change, for example, we would be quickly reprimanded as egotistical and lacking foresight.

One of the most common refrains about this grave global concern, in fact, is that even though people alive today might not live long enough to experience the worst effects of climate change and would consequently have little to gain from any countermeasures taken against it, preventing this catastrophe from happening should nonetheless be amongst our primary concerns, even if only to ensure the safety of future generations.

Conclusion

Ultimately, the future is not set in stone, and there is no way to know with absolute certainty whether rejuvenation technologies will arrive soon enough for us to take full advantage of them or not. However, good answers come to those who ask good questions, and maybe what we should be asking ourselves is not whether rejuvenation therapies will become available in our lifetime, but whether the possibility that they might is worth staking our bets on, and given the visible rate of progress in this field today, we would say that it absolutely is!

Despite our efforts, robust rejuvenation might still not have arrived by the time we reach old age, and the bitter taste of disappointment could be a difficult one to swallow. This is understandable. However, there’s another unpalatable dish that might be served cold to us as we prepare to meet the reaper: that of regret. If we do nothing today to speed up the pace of rejuvenation research, we risk spending our final days wondering whether we might have saved ourselves, and millions of others, years of unnecessary suffering if only we had decided to take action sooner.

However, even if regret sets in, if we do our part today, we can go peacefully in the knowledge that we’ve helped build a future free of age-related diseases for our children, grandchildren, and the generations to come. Does the belief that this is possible not make the risk of disappointment taste at least a little less bitter?

Literature

[1] Lazarus Long and the Howard families in Methuselah’s Children (1941) by Robert A. Heinlein; Anton York in Conquest of Life, Thrilling Wonder Stories (1937) by Eando.

[2] Struldbrugs in Jonathan Swift’s Gulliver’s Travels, 1726.

CategoryBlog, Concerns
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About the author
mm

Kali Carrigan

Kali Carrigan is a freelance research specialist at the Forever Healthy Foundation, and a devoted public advocate for research on aging and longevity. Her background is in genetics–where she has worked as a cancer researcher– and psychology, where she has carried out several projects on narratives of death, and the effects of mortality salience on health-oriented behavior. At the moment, she is writing her M.A thesis on the semiotics of death in contemporary Europe and the United States. Formerly, Kali has worked as a palliative care counselor, an experience which helped shape her views on the need for increased advocacy in the public and legislative spheres. As a writer and translator, Kali has authored articles on longevity as an imperative both at the individual and global level, bringing together the ethical, scientific, and health aspects of aging in one unified vision. She was one of the first translators of Aubrey de Grey’s groundbreaking book “Ending Aging” into Spanish. Through consulting and advocacy, Kali hopes to bring the advances of longevity science to the general public by providing clear and accessible information on the benefits of longevity for the pursuit of health and wellbeing.
About the author

Nicola Bagalà

Nicola is a bit of a jack of all trades—a holder of an M.Sc. in mathematics; an amateur programmer; a hobbyist at novel writing, piano and art; and, of course, a passionate life extensionist. After his interest in the science of undoing aging arose in 2011, he gradually shifted from quiet supporter to active advocate in 2015, first launching his advocacy blog Rejuvenaction before eventually joining LEAF. These years in the field sparked an interest in molecular biology, which he actively studies. Other subjects he loves to discuss to no end are cosmology, artificial intelligence, and many others—far too many for a currently normal lifespan, which is one of the reasons he’s into life extension.
  1. September 17, 2017

    Failure is no option. We must push these forward so everyone alive has a chance to benefit. Keep up the good work and never feel discourages. If we keep moving forward we shall succeed. Not only for us but for others as well. Rejuvenation technology will save millions. That taste of disappointment won’t just taste bitter it will taste rancid. We must succeed. We have come this far and we shall go all the way.

  2. September 22, 2017

    How can the average person (almost everyone) take action sooner?

    • mm
      September 27, 2017

      Do you mean to help speed research up, staying healthy while we wait for the tech to arrive or helping with advocacy?

    • February 6, 2018

      I am convinced from my own successful efforts
      to work with the VA medical doctors & also elsewhere obtaining available promising
      research substances found in nature. Such as:
      quercetin, pterostilbene, NAD+ tocotrianols,
      resveratrol, Ubiquinol coQ10, along with 22
      years of metformin from the VA, and now
      Metformin is the subject of the 6 year study
      T.A.M.E. as well as upcoming trials of
      Rapamycin, which looks extremely promising. I’m feeling great, after losing 43
      lbs. & for 3 years keeping it off & being able
      to do up to 800 10 lb. curls daily. I also
      completed bi-lateral carotid artery, have very
      good recall & youthful speech intonation. I
      hope to outlive my aunt (101) & uncle(97)
      who served to inspire me, years ago. Great
      stuff will begin to speed up the “health-span’s impressive recent progress! I’m 77
      this year!

  3. April 8, 2018

    I’m 77 today, several people I met today, seemed to be amazed by what the anti-ageing
    substances have done to make my youngish
    & visibly vital.

  4. April 28, 2018

    I had a chance to talk face to face with Dr. David Sinclair from the Paul F. Glenn Ageing
    Lab at Harvard for 5 o or 6 minutes when we
    had a big lunch, & his lecture at USC Keck
    Department of Geriatrics Center. He was 51
    at that time. Careful evaluation established that he was that same age biologically. I saw an HD video , recently, a few months ago. & I immediately saw a very visible change in his apparent age…He looked 15 to 20 years younger! Within a minute, he went on the state that he was now taking his newly developed NMN, the immediate precursor to NAD+, & was able to tell the
    viewers that he had gone thru a new age test, & had come thru with a new bio age of
    31! This new stuff may be available at the
    dosage he takes, within a year or two at a
    price anybody with a middle income budget
    might be able to phase into their own health
    span plans. Lets hope this pans out to be
    as prosing as his new look suggests!

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