I don’t understand why brain transplants don’t seem to be a high priority for anti-ageists. It seems putting an old brain into the head of a clone would solve like half of all medical issues all at once. The other half would be extremely messy to deal with, maybe impossible, but first things first, no? Is there any serious work that’s been done on this that I’ve overlooked? If not, why? Ethics boards, maybe?
This is consistent with 27chaos’s statement, though. If you get a body transplant at 65, you have solved a number of medical problems, and the chance of living the next 30 years without having to worry about Alzheimer’s is ~70%. Of course, Alzheimer’s disease accounts for only 60-80% of cases of dementia. But still, I think there would be a market.
It is also worth noting that cardiovascular factors, physical fitness, and diet contribute to the risk of dementia, including Alzheimer’s. These are not the greatest risk factors (as you might have guessed, age is the greatest risk factor), but these can be managed if you are motivated to do so—in fact, getting a new body should be a fairly effective way of managing cardiovascular fitness.
I am sure there would be a market. And if someguy just showed up and said “Hey, look, I can do brain transplants, this is how it works, ain’t it great?”, everyone would go Yeah! That’s great! Huzzah!
But the issue is with two words in the (grand)+parent post: “high priority”. Given limited resources, are brain transplants what people should be working on?
I suspect that China underreports the prevalence (“My uncle Xi who lives in a remote village became a bit strange as he got old, but it’s OK, there is no need to take him to a doctor in the city...”), but I have no idea why Europe is different from US/Brazil. I think it would be easy to google up more data if you want to explore this further.
If I could clone myself (including brain-state), I’d of course pre-commit to roshambo amongst myselves for organs. And then clone more.
If the clones didn’t include brain-state, I’d probably look for ways to make brain-free partial clones to avoid the question of who I’d be killing to live extra years.
Ok, the answer to OPs question is that action flick “clones” are not possible with near future technology, and most likely making them (with Drexlerian nanotech or something) is strictly more difficult than just fixing your present body. Your real world clone would take 20 years to “make” and be a separate person, like you would be if you grew up when they did.
Your real world clone would take 20 years to “make” and be a separate person, like you would be if you grew up when they did.
This is partially missing the point. The goal is to make a separate body, compatible with your biology. There is no need to grow a clone with a functioning brain—any medical science sufficient to clone a human would be able to clone an acephalic human (WARNING, NSFL, fetus with head damage), and growing a clone with a fully functioning brain (i.e., not driven insane by being grown in a de facto sensory deprivation chamber) would be much more expensive, even if you kept education to a minimum.
Still, all this is ethically questionable, something that would need a lot of advance planning, and will be a long time in the future. It is true that fixing your body piecemeal will almost surely be a better option—even if it does end up involving some limited form of cloning organs.
I don’t understand why brain transplants don’t seem to be a high priority for anti-ageists. It seems putting an old brain into the head of a clone would solve like half of all medical issues all at once. The other half would be extremely messy to deal with, maybe impossible, but first things first, no? Is there any serious work that’s been done on this that I’ve overlooked? If not, why? Ethics boards, maybe?
Look at the prevalence of Alzheimer’s as a function of age:
Until you solve that particular problem, transplanting brains seems to be pointless.
This is consistent with 27chaos’s statement, though. If you get a body transplant at 65, you have solved a number of medical problems, and the chance of living the next 30 years without having to worry about Alzheimer’s is ~70%. Of course, Alzheimer’s disease accounts for only 60-80% of cases of dementia. But still, I think there would be a market.
It is also worth noting that cardiovascular factors, physical fitness, and diet contribute to the risk of dementia, including Alzheimer’s. These are not the greatest risk factors (as you might have guessed, age is the greatest risk factor), but these can be managed if you are motivated to do so—in fact, getting a new body should be a fairly effective way of managing cardiovascular fitness.
You also add additional medical issues that come up with transplantation. Likely you won’t get all nerves to be perfectly lined up.
I am sure there would be a market. And if someguy just showed up and said “Hey, look, I can do brain transplants, this is how it works, ain’t it great?”, everyone would go Yeah! That’s great! Huzzah!
But the issue is with two words in the (grand)+parent post: “high priority”. Given limited resources, are brain transplants what people should be working on?
Why are USA and Brazil higher than China and Europe? Is something different about Western Hemisphere? Indian curses or something.
I suspect that China underreports the prevalence (“My uncle Xi who lives in a remote village became a bit strange as he got old, but it’s OK, there is no need to take him to a doctor in the city...”), but I have no idea why Europe is different from US/Brazil. I think it would be easy to google up more data if you want to explore this further.
If you could clone yourself, you would kill your copy for spare parts? I think more than just ethics boards have trouble with that.
(I also get the sense that brain transplants are neither feasible nor projected to be before uploading, basically.)
If I could clone myself (including brain-state), I’d of course pre-commit to roshambo amongst myselves for organs. And then clone more.
If the clones didn’t include brain-state, I’d probably look for ways to make brain-free partial clones to avoid the question of who I’d be killing to live extra years.
Ok, the answer to OPs question is that action flick “clones” are not possible with near future technology, and most likely making them (with Drexlerian nanotech or something) is strictly more difficult than just fixing your present body. Your real world clone would take 20 years to “make” and be a separate person, like you would be if you grew up when they did.
This is partially missing the point. The goal is to make a separate body, compatible with your biology. There is no need to grow a clone with a functioning brain—any medical science sufficient to clone a human would be able to clone an acephalic human (WARNING, NSFL, fetus with head damage), and growing a clone with a fully functioning brain (i.e., not driven insane by being grown in a de facto sensory deprivation chamber) would be much more expensive, even if you kept education to a minimum.
Still, all this is ethically questionable, something that would need a lot of advance planning, and will be a long time in the future. It is true that fixing your body piecemeal will almost surely be a better option—even if it does end up involving some limited form of cloning organs.