All reasons in short

If you are in a rush or would like to read a brief overview of the reasons for rejuvenation before reading the whole thing, this page will prove useful. It can also be a handy guide for your advocacy endeavours. 😉 If you’re still new to the subject and this read brings to mind concerns or objections, you may find answers here.

Rejuvenation is good for you

  • Health: It is no mystery that, as you get old, your health goes downhill. For some people more and for some less, but you certainly don’t become healthier as you age. Rejuvenation biotechnologies would prevent all age-related diseases from ever happening, keeping you as healthy as a typical young adult. Consequently, you would preserve your independence no matter how old you were—no hospices or nurses needed. You’d still be able to take care of yourself and enjoy life to the fullest.
  • Personal growth: A (wonderful) side effect of being perfectly healthy for a seriously long time is that you’re alive for a seriously long time. With a much longer, potentially indefinite, lifespan, you would be able to dedicate all the time you wish to your interests and passions, and discover new ones, in principle without limits. That’s a great way to become you better self, time and time again.
  • Second chances: If you are always biologically young and healthy, and your life doesn’t have an expiry date, it’s never too late to change your mind. Picking up a new hobby, learning a new language, having children, or reinventing yourself entirely, are in principle always possible, no matter your age. Virtually no two choices would ever be mutually exclusive: What you didn’t do in your 20s can always be done later, even in your 90s and beyond.
  • See the future: Believe it or not, there’s cause for optimism about the future of our species. Although we certainly don’t live in a perfect world, the last two hundred years especially have been characterised by a steady trend of improvements on all fronts, and the trend seems to be destined to continue. If you could live for an indefinitely long time, you could get to see that future, rather than miss out on it by a few decades. If you are sick with a presently incurable disease, you could live to see the day when science has found a way to treat you; rejuvenation would give you the option to wait for that day if you so wished.
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Rejuvenation is good for your loved ones

  • No unnecessary sorrow: With rejuvenation, you would never suffer from age-related diseases, and you would never die of them. Thus, your family and friends would never have to go through the pain of seeing you wilt away and die. Of course, you would never have to see your dear ones crippled and killed by ageing either.
  • No burden on your family: Old people tend to become a burden on their families, in the sense that they need looking after, which can cause their dear ones no small amount of trouble in addition to the emotional distress. Thanks to rejuvenation, this would not happen any more. You’d be in perfectly good health and able to take care of yourself; your children would not need to look after you; you would not be a burden on them, and would actually be perfectly able to help them with their own kids.
  • Everlasting relationships: Relationships of all kinds may terminate because the people involved don’t have anything in common any more, but also for a more grim reason: They terminate when the people involved die. Thanks to rejuvenation, you would never have to fear again that old age could put an end to your family, or a precious friendship or romantic relationship. In principle, human relationships could last as long as their members wanted.
  • Save your children: Presently, odds are you will be dead when your children will be elderly. You won’t see them suffer from age-related diseases or die of them, but that will happen anyway. As a parent, you probably want to spare your children any unnecessary suffering; you don’t just want to avoid seeing them suffer. If we created rejuvenation, your children may benefit from it too—in fact, they probably have much better odds than you have to benefit from them, because they’re younger than you are.
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Rejuvenation is good for society

  • Wiser people with us for longer: Rejuvenation would allow longer, healthier lives. An obvious consequence is that people would gain a longer life experience, and these more experienced people would be with us for longer than presently possible, perhaps for centuries. Wouldn’t it be great to have the greatest minds, armed with the experience of the elderly and the psychophysical vigour of youth, be with us for longer?
  • No need for pensions: There is one fundamental reason why we pay pensions to the elderly: Because they cannot work any more. Pensions are quite a huge burden on the economy, especially because their beneficiaries no longer produce wealth. Rejuvenation therapies would be a fantastic way to forestall the looming pension crisis they talk about all the time: Elderly people with the health and mental faculties of the young would be still be perfectly capable to support themselves through their own work, eliminating the need for pensions. (Or reducing it drastically, for example if we gave people the opportunity to retire for a few years before resuming work.)
  • No need for geriatrics: Geriatrics tries to alleviate the symptoms of age-related diseases; it cannot cure them, but only hope to help managing them a little. Therefore, geriatrics represents a huge chunk of a country’s expenditures that have little to no return and little to no benefit for the patients. Rejuvenation would eliminate the need for geriatrics: If there are no age-related diseases, you don’t need geriatrics; and without expenditure for geriatrics, States would be better off economically and so would we all.
  • We may change for the better: I am less confident in this potential benefit of rejuvenation than all the others, because people always seem to find a way to negatively surprise you, but it is still possible that, with longer lives ahead, people would think more carefully about the consequences of their own actions. Bad habits, such as smoking and excessive drinking, are often rationalised away by saying that one has to die anyway at some point. People don’t expect to live much longer than 80 or 90, and they expect not to be in good health whether they smoke or not, for example. However, rejuvenation would be a game changer. If you knew you could live much longer than 90 and in perfect health, an excuse for smoking would crumble away. Similarly, really long-lived people may become more concerned about environmental problems and behave more responsibly. With a much longer lifespan, issues such as climate change—which people of today generally don’t expect to become serious within their lifetimes—could very well hit us even if they are several decades away.
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Aubrey’s trump cards

  • Sense of proportion: If you are afraid that the defeat of ageing might have some unintended, negative consequences, ask yourself this question: Would these side effects be worse than the problem of ageing? Before you answer that, consider that ageing kills 100.000 people a day, and before killing them, it steadily reduces their health and independence throughout their last years of life. Besides, are the side effects you fear granted to happen? Can’t we prevent them with careful long-term thinking? Can’t we mitigate or manage them?
  • We don’t know better than future humanity: If we decided not to create rejuvenation because we feared possible future side effects, we would effectively be deciding on behalf of humanity of the future that age-related diseases are better than having to deal with those side effects. However, when we think about these possible side effects and how to manage them, we often think in terms of our current capabilities and technologies. This is an incorrect way of thinking, because any unintended consequences of rejuvenation will take several decades or longer to materialise; by then, our abilities and technology are almost certainly going to be radically different, and any side effect that seems impossible to manage today might be a very simple problem to solve (or not a problem at all) so far into the future. Given the inevitable uncertainty that comes with any prediction about the future, the best we can do is to develop rejuvenation and let humanity of the future decide whether to use it or not.
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