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Can A Human Be Frozen And Brought Back To Life?

Frozen and brought back to life


Can A Human Be Frozen And Brought Back To Life?

We see it all the time in movies. A person gets frozen or put in “cryosleep” and then unfrozen at a later date with no aging taking place, or other ill effects.

Sometimes this happens on purpose, like to someone with an incurable disease hoping a cure exists in the future, or sometimes by accident, like someone getting frozen in a glacier.

Is there any science behind “cryogenics”?

The science behind it does exist and the application of the practice is called cryonics. It’s a technique used to store a persons body at an extremely low temperature with the hope of one day reviving them. This technique is being performed today, but the technology behind it is still in its infancy.

Someone preserved this way is said to be in cryonic suspension. The hope is that, if some­one has died from a disease or condition that is currently incurable, they can be “frozen” and then revived in the future when a cure has been discovered.

Why wait until you’re dead to be frozen? Won’t it be too late then?

cryonicsIt’s currently illegal to perform cryonic suspension on someone who is still alive. Those who wish to be cryogenically frozen must first be pronounced legally dead – which means their heart has stopped beating. Though, if they’re dead, how can they ever be revived?

According to companies who perform the procedure, ‘legally dead’ is not the same as ‘totally dead.’ Total death, they claim, is the point at which all brain function ceases. They claim that the difference is based on the fact that some cellular brain function remains even after the heart has stopped beating. Cryonics preserves some of that cell function so that, at least theoretically, the person can be brought back to life at a later date.

How is Cryonics Performed?

After your heart stops beating and you are pronounced legally dead, the company you signed with takes over. An emergency response team from the facility immediately gets to work. They stabilize your body by supplying your brain with enough oxygen and blood to preserve minimal function until you can be transported to the suspension facility. Your body is packed in ice and injected with an anticoagulant to prevent your blood from clotting during the trip. A medical team is on standby awaiting the arrival of your body at the cryonics facility.

After you reach the cryonics facility, the actual freezing can begin.

Don’t they just drop you in a huge pot of liquid nitrogen?

They could, and while you’d certainly be frozen, most of the cells in your body would shatter and die.

As water freezes, it expands. Since cells are made up of mostly water, freezing expands the “stuff” inside which destroys their cell walls and they die. The cryonics companies need to remove and/or replace this water. They replace it with something called a cryoprotectant. Much like the antifreeze in an automobile. cryogenically frozenThis glycerol based mixture protects your organ tissues by hindering the formation of ice crystals. This process is called “vitrification” and allows cells to live in a sort of suspended animation.

After the vitrification, your body is cooled with dry ice until it reaches -202 Fahrenheit. After this pre-cooling, it’s finally time to insert your body into the individual container that will be placed into a metal tank filled with liquid nitrogen. This will cool the body down to a temperature of around -320 degrees Fahrenheit.

The procedure isn’t cheap. It can cost up to $200,000 to have your whole body preserved. For the more frugal optimist, a mere $60,000 will preserve your brain with an option known as neurosuspension. They hope the technology in the future will allow them to clone or regenerate the rest of the body.

So does it work?

Many critics say the companies that perform cryonics are simply ripping off customers with the dream of immortality and they won’t deliver. It doesn’t help that the scientists who perform cryonics say they haven’t successfully revived anyone, and don’t expect to be able to do so anytime soon. The largest hurdle is that, if the warming process isn’t done at exactly the right speed and temperature, the cells could form ice crystals and shatter.

cryonicsDespite the fact that no human placed in a cryonic suspension has yet been revived, some living organisms can be, and have been, brought back from a dead or near-dead state. CPR and Defibrillators can bring accident and heart attack victims back from the dead daily.

Neurosurgeons often cool patients’ bodies so they can operate on aneurysms without damaging or rupturing the nearby blood vessels. Human embryos that are frozen in fertility clinics, defrosted and implanted in a mother’s uterus grow into perfectly normal human beings. Some frogs and other amphibians have a protein manufactured by their cells that act as a natural antifreeze which can protect them if they’re frozen completely solid.

Cryobiologists are hopeful that nanotechnology will make revival possible someday. Nanotechnology can use microscopic machines to manipulate single atoms to build or repair virtually anything, including human cells and tissues. They hope one day, nanotechnology will repair not only the cellular damage caused by the freezing process, but also the damage caused by aging and disease.

Some cryobiologists have predicted that the first cryonic revival might occur as early as year 2045.



  1. Andrelle

    June 3, 2011 at 10:40 am

    I heard that liquid nitrogen can freeze someone up to a point where you can actually break a part of their body.

    • Alex

      December 10, 2013 at 8:24 am

      At -320 degrees fahrenheit, I’m sure that is one of many possibilities.

    • Joshua

      October 18, 2016 at 6:59 pm

      Necrobump. Someone’s been watching Demolition Man =)

  2. Ava

    June 4, 2011 at 7:40 pm

    Ummm, just putting this out there, I know that it would be a huge breakthrough if scientists created a way to bring the dead back to life, but wouldn’t that not be such a good idea to do it a lot? I know it won’t happen any time soon, but if at sometime it does become a regular thing, then Humans would loose the reason to be careful at some point. And what if someone wants to die? They might be revived without wanting to be. Then that would just be a waste, even though if it was depression and they could be treated…… And the last and biggest of problems, IF this becomes regular, IF all of that has happened, then after a long time, the world would be too full. There would be no room for more, and then what? People that were old and ready to use the thing wouldn’t be able to, because the world would be to cramped. Just something to think about, -Ava

    • Croix

      May 20, 2012 at 5:49 pm

      Well, we aren’t freezing criminals. We are freezing people that are voluntarily giving their body to cryogenics labs for the purpose of being revived later on. It’s their personal choice, you cannot deny someone life if they wish to live. As for those who kill themselves, they cannot be revived as they would have caused so much damage to their body in order to kill themselves that reviving by any means would be time consuming and ridiculous. Life isn’t something meaningless, even if it becomes widely available. There is only so much damage someone can do to their body before it becomes beyond repair. Plus, it’s near impossible to ever think that a body left dead and already rotting could be revived, not that scientists don’t have the technology but because repairing EVERY single cell is a waste of time and if the person did not pay to be revived in case of death when they were living, then they would be left as dead. To answer your question of population troubles> as of now, the rate of babies being born won’t double our population. So although we have hit the 7billion mark (or is it 8?), the world’s population will be slowly decreasing. There is currently no over population crisis (unless you speak of over population per area, places like india, china, etc.). Under population is a new issue we will face in the next century, but not drastic, the population will just stay on a steady rate of decrease, which is more than enough to cause concern. So in the future, the world can use as many people as it can get. There will always be people who would rather be dead than live forever. And although revival of humans will undoubtedly become as normal to future people as touchscreens are to us today, there are many moral issues. Such as reviving those who do not wish to be revived. It will never become common medical practice for the average person. Family members may request revivals for their loved ones, people currently sign onto the cryogenic freezing so that when they die, they will be frozen. I really see no issues in revival of humans or any other animals. but, you wont be seeing any 500 year dead corpses coming back, not with life memories of course.

      • VS

        June 2, 2013 at 7:34 pm

        Well, you sir, have obviously never watched Demolition Man!

    • lewis

      August 21, 2012 at 5:31 pm

      I know how you feel about this, and I understand why u would want this to stop.
      But this is something that I very much desire, I would love to go way way way into the future. The world wouldn’t be cramped because hopefully by then they would have been able to discover the right technology and the right energy source to be able to travel far distances in short amounts of time, to find more habitable planets like ours and to transport people to them. We can free up space.

    • Doctor Lock

      October 28, 2012 at 5:07 pm

      All very good points, but there are ways to solve each of these problems. Knowing that life is precious and can be indefinite people will be more determined to live life in a more perfect way having respect for their health and that of others. Things that cause harm to the body will be eliminated. No more pollution, cigarettes, alcohol, or drugs and no violence. No dangerous circumstances like cars or planes or even ladders as they exist today. Population will be controlled on this planet to less than a half a billion which has been thought of as the maximum sustainable for its resources and population density to overcome disease from underdeveloped nations which would then become developed by way of an ever growing knowledge and technological advance.

      Society itself would not think that it reached a utopia of perfection, that would just exist in a world where a higher conscience was found and it was normal for people to live in harmony with nature and each other on this planet less they find themselves expelled which after the first century it would be nearly impossible to find someone of that caliber because genetically they would be all but extinct. When the safety of all persons is felt on the earth, great advances will become realities. There will be nothing to fight about, only time to experience things that count. Cryogenics could be accomplished right now just as it was for rockets to carry astronauts into space, only the compatibility factor and survival of the traveler is at risk at this time. As far as the theory and science are concerned there are risks and side effects that are present. But I would gamble my life to prove it because I believe that not only does it out weigh the negative, but that if done properly to the right person it will instill the confidence that nearly everyone will want this done.

      • Cindy

        November 27, 2013 at 6:16 pm

        You claim that the population would be controlled, but if everyone has the possibility to live indefinitely, how do you choose who lives and who dies? Not everyone is willing to sacrifice their life for the betterment of humanity and you can’t force the ones that aren’t to do so. That is where I believe the argument of population control is flawed. Regardless of how you do it someone is still deciding who has the right to live and to die.

    • Daniel

      October 31, 2012 at 1:24 am

      Not everyone in this world is filthy rich, so not everybody could afford to be brought back to life.

    • Bryan

      March 26, 2013 at 9:10 pm

      Here’s the thing, if you are old you will die. Your cells cant just stay the same the whole time. Even if so, they charge lots of money for this and if they make one mistake, you are gone forever. The world won’t overcrowd. The elderly with be unfrozen and will die. They most likely wont have family and cant pay for the cost to do it again.

    • Antonio

      April 17, 2013 at 4:28 pm

      You are right, there are moral issues as well. If you believe in a God, you would not want to freeze yourself to be revived if you believe you are going into another life. This is followed by questions like “what if you are revived but the spirit is no longer there”? For those that are atheists etc are things that are positive, like imagine if Einstein could have been revived and what he would contribute to science… or Bach to music etc… Civilization, art and technology could possibly have grown in ways too big to contemplate. Then again, maybe the idea could have been with us longer. It’s really open to interpretation in a million different ways.

      Finally, you might be revived to find out the world was destroyed by a super meteor many years ago, or world war 3 happened, or the sun has spent its fuel and engulfed the earth… Brrrr, I don’t want to think of that one.

      • Firebolt

        April 24, 2013 at 4:43 am

        Well said, but if there’s meteors and the sun is running outta fuel, you probably wouldn’t have woken up.

      • Cassandra

        May 7, 2013 at 5:00 pm

        That’s a really good point. And if you believe in reincarnation your soul could be in another body by then since I doubt it would wanna stick around and wait. Especially when presented with a total new adventure and body and life and life mission. Perhaps you are dead because you experienced what you were supposed to and it was time to move on to the next experience. Perhaps we choose the life, and the people in it close to you. Anyways, having the spiritual part addressed is a good conversation and worth considering. I think that cryogenics are very interesting… and perhaps if we genetically modify humans with the cells in frogs and certain types of fish that allow them to freeze, then you can do the cryogenics successfully in a shorter period of time. That would be very scary and I hope that doesn’t happen though I bet in some countries GMO humans as well as cloning humans are being experimented with illegally.

        I wonder if keeping just the brain would be more realistic since it is less to unfreeze and the matter would me all fairly consistant. Then you have the moral issue of cloning someone and raising them till their brain is the same size and then killing them for a brain transplant. Interesting stuff I gotta say. If you are a couple that doesn’t have much to talk about, this would be a good conversation piece. Like that Month Python scene :)

    • Enygma ehng

      November 19, 2013 at 5:25 pm

      We have to remember the logistics of this type of procedure. The price of cryogenics is only going to increase, so if people could be brought back to life only those who could afford it would. By that time, it might cost millions in which case only a few percent of the population could be brought back to life.

    • Alex

      December 10, 2013 at 8:27 am

      I think population growth would be the biggest concern. And besides, people still die of old age and just because you freeze gramps’ corpse afterwards doesn’t mean he will be any less old if they manage to thaw him back to life one day. They will have to battle the aging process first. This is probably more relating to premature and young deaths.

      • Xeon

        May 9, 2015 at 2:44 pm

        By the time I want to be unfrozen, they would have surpassed the abilitity to make near molecular sized robots that can fix every cell in my body, starting up mitosis and letting me decide how I look, how I feel, and eventually how I view other people. Eventually I could probably just decide to make my own dream wife out of scratch and have everything I would have ever wanted. Money will be useless by that time, by the time we make infinite or exponential amounts of energy, money and resources will mean absolutely nothing. Everyone will get exactly what they want. Deaths will be pretty much impossible, and reproduction will probably be very limited. Like only 1000 people in the world are allowed to reproduce kind of limited.

        • Mezin

          September 2, 2016 at 6:42 pm

          Why would money be useless? You still need the resources to make the nanobots and miners don’t work for free (and even if robots control the mining process somebody still needs to make those robots, and so on.) I also doubt reproduction will be limited – I just think human civilization will expand rapidly to thousands of solar systems to account for the increase in population.

    • Adam

      June 24, 2014 at 5:34 pm

      Totally agree. The movie Elysium was a good point in that. If that’s how it will turn out to be, that’s not good. Plus they mentioned that the first revival will be around 2045. I will still be alive! I will have seen many different things and breakthroughs throughout my life and its a little scary. They’re always trying to prevent death, but death keeps the world spinning and prevents it from spinning into chaos. You make a valid point. But it would be an amazing feat in the modern world.

    • Marcio

      August 21, 2014 at 12:38 pm

      This is something that is probably done with a contract long before the person dies, and they also need to pay. Do you think a business is going to risk reviving someone and then risking being taken to court because they did the procedure without the person’s consent? That’s a major lawsuit waiting to happen.

    • Chris

      October 2, 2014 at 11:39 pm

      This is the reason for space travel. Someday we’ll be colonizing other worlds throughout the universe. When that happens, we would no longer have an overpopulation problem.

    • Rainier54

      January 17, 2016 at 1:27 am

      I think the world is systematically being killed by humans, and it would be a good idea to freeze many. Except for people who wont leave a carbon footprint. I think people who are frozen will not need such things as cutting down tree’s and such for toilet paper. And I wonder if the world may start planing another ice age to clean itself up. To me this world is a living thing and we are parasites on it. We wouldn’t be if we were the gardeners that we use to be, in the garden of Eden. But just look what money has done to us. We are eating up every resource on the earth, and throwing away stuff, down the cracks, like acid and radiation. Our earth is having a fit.

      • Mezin

        September 2, 2016 at 6:47 pm

        Your response is heavily influenced by your beliefs. First off, by the time you would be revived scientists would probably have better nanotechnology and space travel tech, so traveling and moving to other worlds wouldn’t be hard (why need Earth when there are other Earth-like planets out there?) In reality our development is hurting ourselves, but in my opinion we’re better of advancing our tech rather than trying to save a world which will eventually die anyways due to incompetent, unintelligent, and selfish people.

    • Borneo

      September 20, 2016 at 7:26 am

      There will always be enough space for the people, Earth is just a tiny dot in the Universe. Soon we will be able to fly on another planets that are similar to Earth.

    • Abhinav

      January 9, 2017 at 8:51 am

      Isn’t the same thing happening with innovations in medical sciences.

      I can argue that a millennia ago, paragliding, bunjee jumping, deep sea cave diving,MMA were not common hobbies of the masses due to the extremely high mortality rates.

      Today you can keep a comatose patient alive indefinitely even if he wishes to die.

      This is a breakthrough for people who never had a chance to live in the past like that premature baby or the child with cancer as technology was not developed enough for their survival.

      Btw average life expectancy was about 35 years in start of 1800 which is now about 71 years in 2017. That would explain the overpopulation a lot more.

  3. waleed

    September 19, 2011 at 1:14 pm

    This will indeed happen and there are a lot of chances for this to happen sooner rather than later. The chances for this to happen soon are very evident from the pace at which science is progressing.

  4. Chimaobi

    February 12, 2012 at 5:27 am

    If human can be brought back to life. That means there will be no room for human habitation on earth since human only have 29percent space to live out of which 5 to 8 percent are deserted area. It is a good idea lets try make it work on or before 2045. Chimaobi

  5. Thomas

    March 25, 2012 at 6:47 am

    Since human can be revive back to life if legally dead. Then can a Stamara stop stamaring through medical way. Thomas.

    • Joe Green

      July 2, 2012 at 10:57 pm

      Are you high?

  6. Bob

    July 4, 2012 at 2:53 pm

    I believe there is a catapillar called the Wooly Bear, gets completely frozen in the arctic winter and gets thawed the next spring, for many years until its ready to form a cocoon.

  7. Tyra Carson

    January 11, 2013 at 6:21 am

    Hi, is it true that you have to freeze yourself the moment before you die in order to be bought back to life?

    • themiddling

      April 22, 2013 at 10:43 pm

      You get frozen immediately after you’re declared legally dead, which is the point at which doctors stop working on you anyway. Legal death means your heart has stopped but your brain can be preserved, which would be necessary to retain personality and memory if cryogenics works.

  8. madi

    March 24, 2013 at 11:30 pm

    I thought you could be frozen. Hmm, weird…

  9. Kate

    April 16, 2013 at 3:20 am

    Bad idea. Over-population will happen with this because of how easily accessible this will become. Linda like how iPads and mobile phones become cheaper over time. Before you know it, everyone will be wanting the extra 20 years or so of life and we will go into a depression but eventually come through. I do not want my descendants suffering from the likes of anothers selfish ways. Scientists should spend more time and money on the problems of today and not tomorrow.

    • Amber

      November 19, 2013 at 7:45 pm

      Over-population really won’t be a problem. Right now the rate of babies being born isn’t going to double our population or anything. I know that the population will be different in 2045, when cryonics might start working, but as of now over-population really isn’t a problem. Also I’m just curious, how will this cause us to go into a depression?

      • Cindy

        November 27, 2013 at 5:07 pm

        The constant rate of birth doesn’t double our population because there is a constant rate of death. If the latter were to stop, as all these medical procedures to prolong life intend to do, then there would be an overpopulation problem. That can lead to multiple problems concerning sustenance, because a population can only survive as long as life can be sustained. Maybe these procedures are meant to grant a few extra years of life, but I have no doubt that people are already looking beyond that to a way to live indefinitely. I also see no point in being frozen with no guarantee of coming back to life, since they still don’t know how to bring someone back after freezing them.

    • Xeon

      May 9, 2015 at 2:49 pm

      Good idea. By the time cyrogenics are widely available, we will most likely be very very technologically advanced. Infinite amounts of energy. Since the only real way you could die is by doing things such as walking into suns, reproduction will be VERY VERY limited. Babies will probably have been DNA modified to be unable to reproduce. We would have ways to reach other planets, and probably timetravel to the future by that time.

  10. Michele Blackford

    April 26, 2013 at 6:00 pm

    Even if one was able to be brought back to life, without the soul, which departed to their ultimate reward or punishment, would they be the same people they were in life? I’m not so sure. Does anyone have the answer to that? If so, I’d like to know.

    • Mitchell McDonald

      May 25, 2013 at 6:47 pm

      If you are a troll, congratulations you got a bite on your line.

      If not, as in you really are as mentally handicapped as you appear, I doubt anyone in the future would want to waste their time reviving a chr1stf4g from cryopreservation, so it is probably futile for you to look into this subject any further.

      You should be thanking me for stopping you from wasting anymore of your precious time on Earth thinking about things that are too complicated for your theistic mind to fathom.

      You’re welcome! :)

      • Julie

        June 20, 2013 at 3:41 pm

        Would you kindly give any VALID reply to Michele Blackford’s query?

        • Wade Hawk

          August 14, 2014 at 2:37 am

          He doesn’t have a real reply, Atheists are not capable of that on this subject, their hate for God blinds them. Common Atheist tactic, pretend and claim someone religious is a troll for having faith, then troll their post. They just can’t resist these kinds of comments, their Atheist Religion wont allow it.

          • Pamela Morris

            August 14, 2014 at 9:01 pm

            “their hate for God blinds them.”

            Atheists don’t hate God. They just don’t believe in a God. I don’t hate Santa Claus because I don’t believe in him, nor do I hate unicorns because I don’t believe in them either.

            “their Atheist Religion wont allow it.”

            Atheism isn’t a religion. It’s a lack of belief in gods or deities. Atheism is a religion the same way “bald” is a hair color. It’s not a hair color, it’s just a lack of hair.

      • Josh

        December 2, 2013 at 2:38 am

        You just made my day, thank you.

      • Someonewhohadafeeltostsndup

        August 16, 2016 at 4:15 pm

        You clearly have no respect for one’s religion. You have no right to call someone that name because they believe in something you don’t. I mean, I don’t think they were talking to you in the first place so I don’t believe you should be rude and disrespectful to a person who didn’t even ask your opinion, if at all. In addition, I have no doubt that you’ve heard the saying, “If you have nothing nice to say, don’t say anything at all.” If you have heard this and had the smarts to live by it, you probably wouldn’t even consider coming back with an insult, however you did. Assuming that you’re either a young person, or just an uneducated adult, I wanted to remind you that this site was meant to educate, not to give you a free pass to be a bully.

    • Erich

      June 25, 2013 at 11:45 pm

      Your soul doesn’t depart until your completely brain dead & you don’t gain a soul until your mind is fit to have one. You don’t realize you’ve received it but a lucky few do. I remember bits of my first day, first day of 1st grade I think, but I only remember bits and pieces.

      • Rainier54

        January 17, 2016 at 1:49 am

        You don’t know that, and there is proof. People get brain damaged and over time the brain heals and they are back being themselves time and again.

    • JBK

      September 28, 2013 at 11:02 pm

      This could only be a matter of idle questioning speculation at best. Because of medical advancements people are surviving conditions that were fatal before. It follows that if one believes people have souls, they stay with the person surviving after each advance. Can we say the souls don’t go anywhere until it’s really time to do it? One way or another, this is ultimately a matter of personal choice and whatever is really in the big plan if it exists. We can’t prove what will happen in the future. I would stay away from anyone who claims to know what is definite otherwise.

  11. Maya

    June 20, 2013 at 5:33 pm

    Why can’t they just warm up the body to a safe temperature while putting the water back in? Wouldn’t it bring them back to life like we normally do with people in cardiac arrest and such?

  12. Erich

    June 26, 2013 at 12:25 am

    Essentially the key thing to keep alive/healthy is your brain and spinal cord, seeing as though if you replace your brain your no longer you. Your spinal column/cord is what sends the messages to the body which tells it that the brain is fine, but some damage can be done to the cord as long as its not above the C-4 (guessing could be a lower one) section. Those are the vital organs & the rest is minor things from mobility to reflexes, they need to be cautious when thawing out the lungs, heart, kidney, and key organs for the immune system.

    Mind you, I’ve done quite a bit of thinking but very little training in any of it, seeing as though I’m only a senior in high school and thinking researching other subjects.

  13. John Harrington

    July 31, 2013 at 8:30 am

    I know it’s sad to think, but nature cant support all these people already. People still have kids so nature needs to die to survive more generations.

  14. Kaylon

    September 15, 2013 at 3:56 pm

    Okay, if they are planning on bringing dead people back to life in the future, they have to create the skin, eyes, a heart, and all that stuff. What are they gonna do, just walk around with bones? Ava was right about what if people don’t want to be revived… then what will they do? They are going to just kill themselves again. When we die, they should just let us stay dead. We died for a reason. And if you get frozen, does it hurt? I don’t want to get frozen, but how does it feel? Weird, right? I actually never thought of this stuff until now.

    • Amber

      November 19, 2013 at 7:54 pm

      We won’t have to create skin, eyes, heart and the other stuff. The whole body will be frozen, unless someone only wishes to freeze their brain and have scientists create a clone. Also, if you would have read the article a little more carefully you would have noticed that people only get frozen if they want to, and if they pay for it. We aren’t just going to be freezing random people and reviving them. You also asked if it hurts to be frozen. I’m pretty sure that it won’t hurt, since you know, you’re dead when they freeze you.

  15. John Austin

    September 17, 2013 at 4:00 am

    I question the ethics behind this project.
    First of all, only the very rich will be able to afford it, even if it is feasible. So the poor are left to shuffle off this mortal coil?
    Then consider the plight of someone who was miraculously revived into a future society. One assumes they will have no life companions from this era to share their new life with, and will probably be lost in a technologically advanced civilization beyond their comprehension. They would certainly suffer some kind of Rip van Winkle syndrome, and probably soon wish they had died naturally in the first place.
    One has to think beyond the technology to consider the sociological and psychological implications.

    • JBK

      September 28, 2013 at 11:24 pm

      I think you are misinformed. While there are well-off people signed up, most plan to pay for it with life insurance that is readily available as they so choose. If we’re making assumptions, it can be said that one can also face whatever in the future if friends and family also choose to take the same journey. Regardless of the implications, the law prevails and is accommodated when necessary. That being the case, I have no objections to anyone’s right to life and happiness. If the concept isn’t for you, I suggest respecting those who want to participate! :)

    • gredyck

      February 5, 2014 at 2:07 pm

      I agree on the ethics. Only the rich would get to take advantage of this gamble and there are perhaps millions to be made on this by greedy entrepreneurs for some questionable benefit. Don’t we have enough people on the planet? I am just trying to get my head around the expense and resources needed to put this in place that could otherwise go to helping the living. Are we setting up some modern system for immortality based on science not so different than the ancient Egyptians (and other cultures) and their mummies?

  16. Molly

    September 25, 2013 at 12:30 pm

    Have you thought of the life that you will lead when you are brought back? How will you cope with the vast change in times? You wouldn’t have any friends or family. People won’t see you as a person they would see you as a science project.

  17. Me

    September 25, 2013 at 12:53 pm

    Have you thought of the life you will lead when you are brought back?

  18. Kahlum

    February 26, 2014 at 2:39 am

    I think that, though Cryogenics would be a major scientific breakthrough, it would also be a very costly and precise procedure. I mean, have you ever thought about the possibility that even though you are frozen that you can only be frozen up to a certain amount of time before you are unable to be brought back to life?

  19. Rachel

    March 3, 2014 at 3:22 pm

    Seems like a big scam. I wonder who will care in the future to bring you back? And what would be the point of life in the future with a cure from whatever disease you have… if no one is around you to enjoy it. If you die at 30 but your family and friends aged normal and accepted death at a “normal” time, who would say, “oh look Mr Johns had Lou Gehrigs. There is a cure now. Lets defrost him.” When he is defrosted, how would he pay for the treatments? Did the cryogenics company set aside Mr Johns some funds that would increase in value so he could start from somewhere. If someone walked up to me and said “I am your great great grandfather. I was frozen 150 years ago.” I honestly wouldn’t care and would go on with my life! Again scam and pointless!

    • Mezin

      September 2, 2016 at 7:56 pm

      I believe treatment is part of the fee you pay. Otherwise what’s the purpose of freezing people in the first place?

  20. Andrei

    March 8, 2014 at 4:46 am

    I think there will be a way of bringing frozen humans back to life, we would then only need a reason..

    Population size concerns aside, future humanity might want to restore or use genetic content of earlier humans since prolonged dependencies on medicine over generations might weaken survivability for majority of people who won’t be able to live or reproduce without medical support. In addition, genetic modifications in future populations might require simpler or unmodified individuals that have evolved closer to natural selection. Mind you most of the folk currently frozen had some untreatable disease.

  21. ana

    April 11, 2014 at 3:35 am

    What scientists should do instead of perfecting bringing people back to life is all get together to perfect a cure for cancer.

    • Hamna

      January 5, 2016 at 3:34 am

      That is so true, it would save much more lives.

  22. Moat

    April 17, 2014 at 10:31 pm

    I don’t believe it will ever be possible to bring back a frozen body. Where is the soul to occupy the body? I am not religious although I am spiritual. Live and let die… Rinse, repeat.
    Scientific proof of the soul is still in infancy too.

    • cobretti

      July 9, 2014 at 2:31 pm

      Well if you can’t define the concept of a soul and no one throughout history has been able to… Maybe it’s because it doesn’t exist?

  23. cobretti

    July 9, 2014 at 2:29 pm

    So the last thing you’ll experience is your neurons freezing to death?

    No thank you that sounds quite painful.

  24. Felix

    December 3, 2014 at 11:21 am

    No doubt people will continue to doubt the existence of God. The breakthroughs in science and technology are now the main forces controlling human thoughts. This is just one of the many avenues of comfort the world will be seeking to immortality. Spirituality will soon become a thing of the past, with all of this findings and discoveries.

  25. jade

    January 28, 2015 at 1:57 pm

    If scientists can only freeze and revive humans that are ‘legally dead’, meaning that their heart has stopped but some brain activity remains, would this not be unethical as the individual will still be able to feel pain from being frozen as pain is felt in the brain?

    • Mezin

      September 2, 2016 at 7:58 pm

      After legal death you aren’t necessarily conscious – your brain is rather still alive but frozen and cannot exactly think.

  26. Sarah

    April 10, 2015 at 4:26 am

    I just think people need to just move on with their lives. Once you are dead, chances are the people you entrusted to revive you will either a) squander your money b) die c) don’t care enough to carry your wishes. It’s not like you will haunt them …you are “not dead” remember. In addition, say you pay the cryogenics company in advance? What guarantee do you have that they will carry out your wishes? Your relatives could be dead as well when the technology is developed. Instead of all this work and stress about living forever, you should spend your last days with your loved ones and die in peace. That’s how I feel, anyways.

    • Peter Rabbit

      November 22, 2016 at 5:04 am

      What about people who get shortchanged by life? I read of a 14 year old cancer patient who is having this done. It isn’t fair that she didn’t get to live out a full life so in cases like that I can see the desire for it.

  27. Lito Rodríguez

    July 17, 2015 at 1:50 pm

    Watching ‘Demolition Man’, they freeze people for the duration of their prison sentence. That would actually save the government a lot of money, not having to feed and provide for prisoners. Obviously it’s not possible right now and would sort of defeat the purpose of prison.

    • Roo roo

      October 5, 2016 at 2:40 am

      I am totally confused.. what doesnt make any sense to me is, why freeze a person after death? Hypothetically speaking, let’s say I have a terminal disease like cancer of the stomach and there is no cure. And let’s say I have a few days left to live. Woudn’t that be the optimal time for me to be frozen, right before I die? And then when the medical technology comes along to 100% positively cure the type of brain cancer I have, unfreeze me, prep me for the cure, and then cure far as i am concerned, waiting to die and then freezing you makes no sense, cause im pretty sure, no matter how much medicine and technology advances, there is never goin to be a cure for death, ie, re-animation, unless you are jesus. Im almost positive, even if aliens came along with their technology, they would probably have a cure for everything except death. Death is a done deal. So freezing someone after they die seems pointless, kinda like putting gasoline in a car that has an engine that had already seized up, cause someone didnt put the oil in it. The car is dead, so spending money on it and expecting it work, will never happen. Its gone. Freeze people days before they die of an incurable disease of today, so they can be unfrozen at a time when there is a cure. Still sounds like alot for one person to endure though..however, seems to make more sense to me, than dying and getting frozen..but then again, what do i kno…

  28. Peter Rabbit

    November 22, 2016 at 5:02 am

    Assuming the human soul leaves the body when you die then you are a soulless zombie when they revive you?

  29. Chris

    December 6, 2016 at 4:46 pm

    As curious and interested as I am regarding the preservation of human life using Cryopreservation, I’m not sure if anyone has mentioned the obstacle of disease. As the human race continues, our bodies evolve and develop antibodies to fight against different diseases. If one were to be frozen, his or her bodies would still be susceptible to these diseases. In my mind, this poses no risk if the future society has disease prevention and treatment on lockdown, but is still an interesting aspect. Since modern humans will not have evolved along side with the bacteria and viruses, such a travel through time could prove deadly.

  30. phil

    December 22, 2016 at 7:54 am

    Alot cheaper to just believe in reincarnation

  31. Ashley

    April 6, 2019 at 2:37 am

    A bit late on the conversation, but how does the company know where the person is pronounced dead?? Wouldn’t the company have to be a short distance from said hospital to be able to get there in time?

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