I'm not weighing in on animal testing in general, but that goes for testing animal-targeted medications too. Rabies shots, heart worm, etc - no animals gave th

I'm not weighing in on animal testing in general, but that goes for testing animal-targeted medications too. Rabies shots, heart worm, etc - no animals gave their consent for testing those. And in this situation, the effects of weightlessness are being tested on humans as well, at the same time. This isn't animals being a buffer for humans. Will testing the effects of weightlessness on humans lead to important medical knowledge for humans?