What about something like this? http://nyscf.org/images/pdf/biopsy_flyer_versionweb.pdf?study_id=17&participant_id=51644acd8255dc3ede4fa494b7def28831554d6a . I’m not sure if they’d store the samples at a timescale long enough to be relevant though (aka, 4+ decades).
How important is it, though, that the cells be your own cells? In several decades, we may have even better tools to deal with the transplant rejection that stems from regenerated organs with different genomic material.
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FWIW here is a relevant article: http://www.telegraph.co.uk/news/science/science-news/10295085/Stem-cell-banks-enable-wealthy-to-free-backup-version-of-their-adult-selves.html
Just out of curiosity—do you think that all other people who put massive amounts of time into socializing get benefits that are proportionate to the amount of time put in? From our point of view, most people spend incredibly high amounts of time socializing, but does this make each and every one of them socially savvy to the same extent?
Also, what do you think of https://www.quora.com/How-did-successful-people-spend-their-time-when-they-were-young-between-ages-of-10-and-22/answer/Auren-Hoffman ?