On: Older mouse brains rejuvenated by protein found in...

[api]

We can probably just isolate the protein and manufacture it. Bonus: no risk of getting HIV or CJD or any number of other awful things.

[sdfghswe → api]

Just buy healthy children. You pay a little bit more in the short term, but in the long run you can really feel the difference.

[nine_k → api]

If it's person-specific, imagine isolating some of it when you're still young, then producing copies and rejuvenating your aging self literally by your own young blood.