[rsync]

"It's honestly weird to me this wasn't tried in the early days of performing blood transfusions."

It's weird to me it wasn't tried the day after the first successful blood transfusion. A child would think of it.

That's what's so stupefying...

[davorak]

If memory serves me it was tried, many times soon after blood transfusions become known to the public. Many rich in europe claimed the blood transfusions from the young rejuvenated them in many respects.

I do not remember where I read this any more 10+ years ago now.

Here is a small snippet I found with a few minutes of search that seems to be reference to the same behavior I remember reading about: https://books.google.com/books?id=bdIBlQXSKi8C&pg=PA78&dq=hi...