What progress has actually been made by animal testing ?

if_as88

New member
I'm asking this on the veggie/vegan section because on the biology section I'm just getting biased and annoying answers.
I AM against animal testing, don't get me wrong, but this is part of my coursework. I have to talk about an 'ethical science issue' and I've chosen animal testing as I feel strongly about it, however I do need to detail how progress has been made by this cruel act, so can anyone help me out ??
I understand insulin has been produced through animal tests, but how exactly?? detail the mode of progress please !!!!

ill be very grateful to those who help!!!!!!!! thank you :]
 
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