Since ancient Egypt and before people tried to protect deceased souls by preserving their bodies. Modern cryogenic body preservation techniques mean a realistic, albeit speculative, possibility exists that a future society, with unimaginably advanced medical technology, might someday revive those who opt for cryogenic body storage today. No human has yet been revived from liquid nitrogen temperatures, but less extreme examples of revival from below normal body temperatures abound. Scientists successfully revived dogs, cooled to 3 degrees Celsius, whose hearts had stopped beating for 3 hours. A 2 year old boy whose heart had stopped beating and body temperature had dropped was also revived. Small extremophiles, were revived after being frozen for 30 years. In 2016, the detailed structure of an entire rabbit’s brain was successfully stored at cryogenic temperatures without synaptic damage.

The Immortality Foundation has a good overview of the state of the art in cryonics technology here.

Cryonics has its detractors. Indeed, the society of cryo-biologists, who oppose cryogenic body preservation with borderline fanaticism, have branded those working in it as frauds and have even banned anyone who has cryogenically preserved deceased individuals from joining their society – forever. Yet although detractors often deploy strongly worded criticisms, their arguments and evidence are often lacking and a fairly comprehensive (albeit non-professional) survey of anti-cryonics literature has come to the following conclusion:

“Because as far as I can tell, if you want to write the best anti-cryonics article in the world, you have a very low bar to clear.”

Let us begin with the most important question: Are the proponents of cryogenic body preservation con-men?

The process of dying, obviously damages the body a great deal. Cryogenic cooling does further damage, and people engaged in cryogenic body preservation constantly look for new ways to minimize the damage of this cooling process. However, once the body has stabilized at cryogenic temperatures, no further damage will occur – forever . A body cryogenically cooled very low temperatures will be in the same condition a million years in the future as it was a few hours after the cryogenic cooling process is completed.

Of all the different ways we deal with legally dead bodies, cryonics causes the least subsequent long-term damage – by a very large margin.

If we agree that:

The less physical damage a body sustains, the greater its chance of future revival.

…and it’s hard to see how one can deny this. Then we must conclude:

That of all possible treatments for legally dead bodies, cryogenic body preservation is the one with the highest chance of revival – by a very large margin.

There is, of course, no guarantee that cryogenically stored people will ever be revived, but those in cryonics conscientiously try their very best to minimize the physical damage that occurs after legal death. This is an indisputable fact.

Cryonics Costs

But is it worth the money?

Today, the Cryonics Institute quotes the cost of full body preservation at $28,000 plus a one time membership fee of $1,250. By comparison, those who’d rather an English churchyard to a Californian Refrigerator, could be set back by as much as £8,000 for a plot in the city plus another £2,000 in funeral costs. Thus, preserving your body forever through cryonics costs a little over twice as much as being left to rot in the ground.

But wouldn’t the extra $14,000 that cryogenic freezing costs over a fancy funeral be better given to some other good cause?

Cryonics is a good cause. Cryonicists are constantly improving and developing new procedures to cool down patients in ways that do less damage to make revival easier. At some point, future cryonic technology should be able to freeze and reawaken a healthy person. When pressed to estimate when the first living person will survive being frozen and thawed, the president of the Cryonics Institute, Dennis Kowalski, has stated “The true scientific answer is that no one knows for sure because no one knows the future. If I were forced to take a guess I would say no sooner than the next 50 years and probably less than 100 years.”

Reversible, affordable cryogenic body storage could save many lives. For a start, far less people with urgent conditions would die on waitlists for highly specialized treatments, saving many lives. It could also facilitate interstellar travel – a noble cause indeed.

But to advance cryogenic preservation technology, lots of practice, lots of testing and lots of donors are needed. Those who’ve currently paid for the cost of cryonic preservation have effectively bought a ticket in a charity raffle whose proceeds are donated to life-saving research into reversible cryogenic preservation to enable people in the future, with life threatening illnesses, to safely and reversibly freeze themselves. The first prize in this raffle is the off-chance that immense future technological advances will enable them to be reawakened, rejuvenated and live a life of immortal youth.

And cryonics is the best technology currently available to preserve our bodies.

But what about critics who say that living too long is selfish?

Perhaps living is selfish, and perhaps that’s a good thing. I’ve heard many elderly people say things like: “The world’s going to the dogs! I’m glad I won’t be alive to see it!” I’ve also heard younger people say things like: “You mean global warming could actually happen in my lifetime? You mean there’s a good chance I’ll actually live to see the effects of massive climate change? For real?” with a sudden look of horror on their face.

Cryogenic body preservation may well reduce the extent we live for the present…while trashing the future. Cryogenic freezing can only secure immortality if tremendous technological progress occurs in the future, society doesn’t collapse, and future generations are benign and kindhearted enough to revive those who opt to freeze themselves. A single bomb landing on a cryo-facility could obliterate all hope of immortality. This may be a tall order. Civilization could very possibly collapse, for one reason or another. Then no one would get revived.

In my opinion, this is the real reason why some people insist that, even with millions of years of exponential technological advancement, it is fundamentally impossible to ever physically, or even digitally, revive those who are cryogenically frozen today.

We can’t stand the idea we have a real chance of immortality…but will probably screw up and destroy civilization. Or perhaps we sense that our culture is becoming so selfish and egotistical, that future generations won’t bother to resurrect cryogenically preserved individuals. At the back of our minds we know that exponential economic growth can’t continue, that AI poses a serious threat, that, given enough time, a future major war seems inevitable and we are not doing enough in global politics today to tackle this threat, that manufacturing and agriculture needs to be completely overhauled to stop producing toxins that damage our ecosystem… and that securing civilization’s long term future will take A LOT of hard work.

It’s so much easier to ignore these really difficult problems, make a bit of money, buy a new car, hang out in the pub, head out to the disco, and ignore the fate of future generations. The possibility, but improbability, of immortality due to the likely collapse of our civilization, the immense problems we must surmount to avoid it, and the hard work this requires is a burden too heavy for most to shoulder. Most people cannot bear to contemplate the vast potential value they are throwing away tomorrow by acting irresponsibly today.

If most people truly believed they could personally live in a bright, technologically advanced future by working to secure it, we would take long-term problems a lot more seriously. We would also encourage people to care for others and value human life – to dispose future generations to revive those in cryogenic body storage.

Most importantly, cryonics helps curb elderly AI researchers (who desire immortality) from rushing to develop whole brain emulations without adequate safety precautions. Humans are not universally nice. Jesus was a person. Mahatma Gandhi was a person. But so was, Hitler, Ted Bundy, Genghis Khan and Charles Manson. Whole brain emulation will make an operating system, that produced Genghis Khan, a billion times faster and gives it perfect memory. This has obvious potential dangers. We should undertake whole brain emulation with great caution. Yet caution will slow down the development timescale. Those who would die from the delay need a safer technology to secure their survival. That safer technology is cryonics.

So cryonic storage has many benefits.

John

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