by Jack H. Botting and Adrian R. Morrison

About the authors: Jack H. Botting is a retired university lecturer and the former scientific adviser to the Research Defense Society in London. Adrian R. Morrison is the director of the Laboratory for the Study of the Brain in Sleep at the University of Pennsylvania School of Veterinary Medicine.

Experiments using animals have played a crucial role in the development of modern medical treatments, and they will continue to be necessary as researchers seek to alleviate existing ailments and respond to the emergence of new disease. As any medical scientist will readily state, research with animals is but one of several complementary approaches. Some questions, however, can be answered only by animal research. We intend to show exactly where we regard animal research to have been essential in the past and...