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I agree. There is no secret magic cure to aging. There's never going to be a pill that makes you younger. The reason the human body ages is that it's a lot easi
by snek_case 5y ago
I agree. There is no secret magic cure to aging. There's never going to be a pill that makes you younger. The reason the human body ages is that it's a lot easier to build a new human from scratch than it is to repair damaged cells, damaged tissue, etc. Nature doesn't know how to do that effectively, at least not for complex life forms as large as human beings.
Ultimately, I think that if we want to extend life indefinitely, we'll need a strategy that involves replacing organs, replacing brain tissue, and maybe replacing most of the human body. You might be able to boost someone's life span by a few years with stem cells and such, but that's just patching the binary like you said. It's like repairing a home. You can patch drywall, but eventually, to fix a very old house, you might have to rip everything open and replace most of the materials. At some point it's easier to rebuild parts of the house than to keep patching.
IMO, we should be harnessing the fact that nature is very good at growing new healthy tissue. There has to be a way to coax stem cells into growing a new heart, a new liver, or a new arm. We ought to figure out how to do that. Then we could potentially grow you a new liver in a vat based on your own stem cells in a matter of months. We might even be able to automate surgeries such as liver replacement. That kind of technology seems like it should be feasible within 20-30 years with targeted research.