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I'm considering taking anti-androgens, but I'm not sure what effect this would have on lifespan.

Would anti-androgen use have similar effects on lifespan as castration? I know both anti-androgens and castration cause decreased testosterone production, but I know almost nothing about this sort of thing, so I don't know if this is relevant.

Anti-androgens are much easier to attain than castration. According to this, "WPATH Standards of Care no longer encourage therapy as a requirement to access hormones".

Also, according to the article I linked, "Your body needs sex hormones – estrogen or testosterone – primarily for bone health but for a myriad other reasons as well." Hormone replacement therapy has potentially dangerous side-effects, though. Do you know if this would outweigh the benefits of castration or anti-androgen use?

Digital immortality seems much cheaper than cryonics and of similar effectiveness. Why isn't it more popular?

I question whether future society would be willing to bring someone back to life even if it was clear that the person wanted to be brought back and there was sufficient information stored to allow it to happen.

There might not be a moral reason to bring someone back to life, because if future agents value content agents, they presumably would be able to create far more content agents far more easily by engineering agents from scratch for maximum contentment with minimum resource use.

There might not be an economic reason to bring someone back to life, because future agents would be able to make far more efficient workers than a 21st century humans.

There might not be selfish reasons to bring someone back to life, because though having a 21st century person in a far more advanced world might be interesting, I think superintelligences could find far more interesting things to do.

Perhaps one way to increase the probability of being brought back to life is to set up a trust fund or something of the like to do so. Some cryonics organizations have trust funds for bringing back their preserved bodies, which is similar. What do you think of this?

You suggested reading Longecity. However, it seems that most articles on Longecity are only relevant to whoever posted it, for example by asking about what to do in a very specific situation, or aren't relevant at all to increasing the chance of becoming immortal. Knowing this, how do you recommend reading Longecity, if at all?

Okay, when you would like me to help, email me at

If a version is written in English, I'll probably be willing to review and proofread it. I'm a decent writer in English, and I know a fairly large amount about immortality. I wrote Immortality: A Practical Guide using a different Less Wrong account, in case you're interested.

Thanks for the response. Do you know if the book will be made available in English, and if so, approximately when?

In case you didn't know, storing writing as images like it is in your mind map is bad for accessibility. Those who aren't visual, for example search engine indexing bots and blind humans, have difficulty reading such writing.

Thanks for the post. The bottom of the mind map references the book Immortality by Alexey Turchin, but an Internet search failed to reveal any links to or discussing it. Do you know where it can be found?

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