Why Age? Should We End Aging Forever?

  • Published: 20 October 2017
  • Watch part 2 by CGPGrey: https://www.youtube.com/watch?v=C25qzDhGLx8

    If you could decide today... how long do you want to live?

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    Why Age? Should We Try To End Aging and Live Forever?

Comments • 22 470

  • Kurzgesagt – In a Nutshell

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    • Blueskys 83
      Blueskys 83  2 weeks back

      Kurzgesagt – In a Nutshell my science teacher gave us a writing about if we would take a pill that will stop making us age would I take it and I said no but I should’ve seen this video first to have more things to talk about😅

    • Melinda Pavelyev
      Melinda Pavelyev  1 months back


    • Ya K
      Ya K  2 months back

      Kurzgesagt – In a Nutshell , If I live for 100 years I can get into the next century

    • Osprey Animation
      Osprey Animation  2 months back


      it just takes some time

    • dj Navi asura
      dj Navi asura  3 months back

      I can't understand why this videos not available in any Indian language caption unfortunately it's available in every languages caption especially in Indian caption 😬 the problem is I can't understand much in any language even in English I just know little so please try to get your videos in Indian caption pls

  • MrThomaschannel
    MrThomaschannel  1 hours back

    I want to die when the atoms of my body will break apart due to the expansion of the universe... so 1 trillion years from now maybe?

    • IXE 28372
      IXE 28372  1 hours back

      Everyone wants to reach the older age but nobody wants to become old

      -ERROR 404

      • LegoJJ0223
        LegoJJ0223  3 hours back

        *tweets questionably?*

        • FederalPhoenix
          FederalPhoenix  10 hours back

          Immortality is not a good choice.

          • mr. editor
            mr. editor  11 hours back

            If everyone couldn't age, there would be overpopulation

          • Julia Clifford
            Julia Clifford  16 hours back

            I hate my life and I'm only 11 so instead of another 80 years, I prefer 80 hours

          • PtolemyauletesXII
            PtolemyauletesXII  20 hours back

            I just don't think this is right. Aging does not seem to be only a consequence of wear and tear over time. This does not explain hair turning grey, for example. Aging is far more a biological phenomenon than this video accounts for. It is not, as used to be thought, that our genes 'intentionally' age us in order to clear room for the next generation. Rather, it seems to be a simple consequence of probability. Living organisms are designed to live to reproduction age. Some die off after reproduction, others survive long enough to help raise their offspring, or even their offspring's offspring. But the essential goal for most organisms is to make it to reproduction. Hence, genes that give us traits that are useful for survival in these early years will be favoured, while genes that work against us getting to this age will die out. But genes that give us traits that are favourable for our later years simply do not come into the equation. There is no selection mechanism to favour genes that are good for our later years and weed out bad ones. Natural selection simply does not play a role here, once we have successfully reproduced. For most of the existence of mammals, and humans, it was only necessary to reach a productive age of mid-late teens to early 20s to reproduce, and to survive roughly that long again to raise one's children to about that age. After that there are no selection pressures that will influence the genes one has already passed on.

            This is where probability comes in. Genetic mutations that are favourable to an organism are very rare. Mutations that work against us are far more common, while neutral mutations are likely the most common. As long as there are selection pressures working towards succesful reproduction good genes will be favoured. But these good genes are likely only going to work for us in our youth. The same gene that may be a good gene while we are young, selected for that very reason, may work against us once we get a little older, due simply to chance. Without selection pressures to eliminate such bad effects later in life such genes accumulate, and we end up with a large number of our genes aging us and causing all sorts of awful things to happen as we get older, and are no longer going to pass on genes.
            This all makes the science of preventing aging much more difficult. It is not just a question of turning on or off a gene here or there. It may well be the case that the very genes that we need to make us successful competitive organisms in our youth harbour the seeds of our doom once we are past the mating stage. If we just go about altering genes in the hopes of stopping aging we may well be turning off all sorts of positive genes.

            • Tesseract 14
              Tesseract 14  23 hours back

              What kills me (pun not intended) is that whenever I discuss the idea of immortality people think we we could just upload our consciousness into a robot, but I'm like man that is not how it works it would not be us it would just be a clone of us, it's not the same thing

              • Lyn
                Lyn  1 days back

                Y'know, despite being suicidal, I think if I had the option to live as long as I wanted, I would probably live for a very long time. possibly well up into 1,000 years.

                • Sairvous
                  Sairvous  3 hours back

                  +Lyn Being immortal and not being able to die would be a curse.

                • Lyn
                  Lyn  4 hours back

                  +Sairvous Well, if it really got to a point that I was sick of it, then I guess I would just let myself die.

                • Sairvous
                  Sairvous  18 hours back

                  I think that would be a curse. Everyone you have ever known and loved would be gone. The process would have repeated multiple times in 1000 years. Maybe until the point where you give up on loving and being loved. Almost everything would probably begin to bore you as well. Seeing all technical, social and scientific progress overtime may be somewhat interesting. You may despair at the fact that despite all of that the nature of humans is the same. As long as there is free will there is inevitable conflict.

              • kouryukagami
                kouryukagami  1 days back

                a few hundred years would bw nice

                • J
                  J  1 days back

                  but what if you live alone forever

                  • Rafael Lourenço
                    Rafael Lourenço  1 days back

                    This video makes me feel so sad

                    • Anarkii
                      Anarkii  1 days back

                      What about reversing age? Without plastic surgery I mean

                      • Super Silver
                        Super Silver  1 days back

                        I would probably take like 350 years as a healthy person.

                        • Fujin Water
                          Fujin Water  1 days back

                          Nature wouldn't let it happen and i'd rather be dead and at peace then have the population boom like nukes. It's already bad enough now, no reason to fear death because the only scary thing about death is that it's called death and what we associate with that word. Now if you replace synonyms and try to imagine death being like Edge of Tomorrow having it just be a die, rinse, repeat, instead of being permanent, give me old age and death because that would be hell. Besides you probably wouldn't like earth in 100 years anyways so aging and dying is natures mercy; or at least until she throws another rock at us and hits reset.

                          • Winston Chang
                            Winston Chang  1 days back

                            I am not being sarcastic but " Survival of the fittest..." so , WHY SURVIVE....in the end or towards the end, what for..We take "survival" as a sure thing inherent force
                            and it does APPEAR to be like that....but WHY....?

                            • PtolemyauletesXII
                              PtolemyauletesXII  20 hours back

                              This is much simpler than you think. It is simply a matter of physics. Organisms are merely physical structures of smaller components. An organism that does not have an urge to survive does not survive, while one that does have that urge does survive. Over the course of life on earth there may well have developed organisms that lacked the urge to survive. Guess what happened to them.

                              We have no choice in the matter, as our urge to survive, to procreate, to be sexual beings, is part of our DNA going back billions of years. We have the misfortune of being able to think about it and ponder the hopelessness and meaninglessness of it all, but that does not change the fact that it still drives us at our most basic instinctual level.

                          • Jacqueline Crone
                            Jacqueline Crone  2 days back

                            I would be upset if there was the end of aging if I was already old and not feeling youthful.

                            • Jadon Lemmonds
                              Jadon Lemmonds  2 days back

                              Rabbits move around a lot and only live 15 years
                              Turtles do literally nothing and live 150 years
                              Laziness is key for long life

                              • J
                                J  1 days back

                                no movement no physics

                            • Dakota Brown
                              Dakota Brown  2 days back

                              This is only one theory of aging...

                              • seductivespy
                                seductivespy  2 days back

                                No we shouldn’t end aging, we should die. Not be immortal, as much as we might want it. Without death we wouldn’t cherish our brief time on earth. Some think we’d have lots of time to discover new things but I think mankind is, in general, lazy. That without a societal plan of what is expected at each stage in ones aging a person will be less inclined to educate, to find purpose, seek love, invent, invest, etc.

                                • seductivespy
                                  seductivespy  2 days back

                                  Age only in correlation to health. Perfect health = immortal

                                  • jahn gonzalez
                                    jahn gonzalez  2 days back

                                    I want to die at age 150

                                    • Galaxy
                                      Galaxy  2 days back

                                      I wanna live for 1000 or 30,000 years

                                      • Hunter Jae
                                        Hunter Jae  2 days back

                                        This gave me a feeling of dread

                                        • side wardodin
                                          side wardodin  2 days back

                                          two days

                                          • ÎXx - ŁéôpõÎd'š Pàthš - xXÎ

                                            200 million years, After that the sun will destroy the earth.

                                            • ÎXx - ŁéôpõÎd'š Pàthš - xXÎ

                                              Sure as long as you have unlimited money in the future.

                                              • Aaron Huckvale
                                                Aaron Huckvale  3 days back

                                                Forever but no one else

                                                • Gregory Logan
                                                  Gregory Logan  3 days back

                                                  Live forever woot

                                                  • Love JD
                                                    Love JD  3 days back

                                                    I’d say 500-10,000yrs (with a young & healthy body) sounds good. 👌🏽

                                                    • Love JD
                                                      Love JD  1 days back

                                                      J that analogy doesn’t even make sense

                                                    • J
                                                      J  1 days back

                                                      that's like saying you want to eat about 5-100 pieces of pizza

                                                  • The Knowledge
                                                    The Knowledge  3 days back

                                                    I just don't wanna die

                                                    • Tucker Almengor
                                                      Tucker Almengor  3 days back

                                                      There is a book that follows this idea. It's called Scythe by Neal Shusterman. It's very interesting. Ya'll should check it out

                                                      • Brandon Miner
                                                        Brandon Miner  1 days back

                                                        Tucker Almengor i’ve actually read it! My biggest fear is actually death so I was a bit apprehensive when I picked up the book but I found it mind blowing that in the book the only job the only life you could lead that had any true purpose or meaning was being a Skythe. The whole book really got me thinking.

                                                    • Darmbles Vlogs
                                                      Darmbles Vlogs  4 days back

                                                      I would want to live for 1 billion years because then you could keep upgrading your body with tech and eventually be counted as a god

                                                      • Dragonfire
                                                        Dragonfire  4 days back

                                                        I guess the birds couldn't find a cure to aging fast enough...

                                                        • Mîdrak
                                                          Mîdrak  4 days back

                                                          Another 100 Years a Slave for the Companys? NO THANKS!

                                                          • helio veloso
                                                            helio veloso  3 days back

                                                            Agreed this comment session is filled with opthimistic shit

                                                        • CaitKat
                                                          CaitKat  4 days back

                                                          Aging doesnt mean no diseases.
                                                          What about child illnesses or disorders?

                                                          And dying should never be a choice. With this same logic of "until you are tired", could be applied to anyone who is suicidal. Everyone says "no you're too young," so why would that be any different?
                                                          Humans don't have natural predators, we're at the top of the food chain. If we just choose when to die whenever, overpopulation will become an issue as well as resource shortages. We have yet to colonize other planets, so if we achieved this any time soon, we would outgrow this planet before we could expand.

                                                          A fair point was that all medicine does this, but there's a difference between illnesses during youth, and illnesses as you age.

                                                          • Cool Dude
                                                            Cool Dude  4 days back

                                                            Would cause more wars and wipe out humans just to keep the population balanced. That's fact!

                                                            • Luna
                                                              Luna  8 hours back

                                                              Cool Dude
                                                              Maybe abortions will be legalized everywhere and women will have equal rights everywhere so they can work and be busy and not be seen as baby making machines, and a one child policy (there’s an expectation of its 2 pairs of twins). And having kids should be seen as something terrible and overrated and also teens who get pregnant should abort. Only people who are capable physically, mentally, financially, etc to have kids should have them so less kids would be there and after a few decades the population will be a little more balanced?

                                                          • Cool Dude
                                                            Cool Dude  4 days back

                                                            Why is this channel so dark and depressing?

                                                            • blarg bob
                                                              blarg bob  4 days back

                                                              the whole thing with will you ever want to end yourself when you get too old, and ofc people who would love to live forever laugh at that but the person 10 years from now, would have a different opinion if you were to live for say an extra 200 years you might twist and warp completely from who you thought you might become or who you were. i think ending aging people need to change mentally and emotionally first.

                                                              • Amir Dahan
                                                                Amir Dahan  4 days back

                                                                Id chose to live forever . But that wont mean i wont die it means i wont die from age

                                                                • Simon
                                                                  Simon  4 days back

                                                                  5000+ years.

                                                                  • Peter Waite
                                                                    Peter Waite  4 days back

                                                                    I'd like to live to be 88 years old.

                                                                    • Next Level Life
                                                                      Next Level Life  4 days back

                                                                      I can't wait to become immortal and I really hope I will soon

                                                                      • Golar Bear
                                                                        Golar Bear  4 days back

                                                                        This was deep.😯😮😶😳☺

                                                                        • Gamerrylez YouTube
                                                                          Gamerrylez YouTube  4 days back

                                                                          I would want to live 80 years!! Too long!

                                                                          • Robert McCormack
                                                                            Robert McCormack  5 days back

                                                                            I want to live up to the point where I'd be okay with death.

                                                                            • Vedant Chaudhari
                                                                              Vedant Chaudhari  5 days back

                                                                              If I could choose, I would live till im sure that humanity has a great future.