For
It helps understand species and ecosystems better.
Against
It causes harm and violates animal rights.
Anonymous excerpts, translated where noted.
“Animal testing is crucial for scientific medical progress.”
“the argument needs to be made that the benefits of the research outweigh any harms caused to animals used.”
“Because all species are different, animal-based research can be deeply unreliable and can even hinder medical progress.”
“Philosophers believe that experiments on animals are not morally justified because they cause pain or harm the animals.”