I hadn't heard about that before, thanks for sharing it. The idea makes for a comically evil headline, but it isn't obvious to me that the concept is necessaril

I hadn't heard about that before, thanks for sharing it. The idea makes for a comically evil headline, but it isn't obvious to me that the concept is necessarily nefarious or exploitative. It seems very similar to the blood transfusions we already do today to stop people from dying.