Can We End Animal Testing?
BBC Earth|July 2018

We find out whether innovative techniques using stem cells, computer modelling and 3D-printing could reduce the number of animals used in medical research.

Alla Katsnelson
Can We End Animal Testing?

There are many disagreements in the world of research, but few debates will get as heated as those surrounding animal testing. Many scientists and research advocates contend that animal experiments are crucial for learning about basic biology and disease mechanisms, and are necessary for testing the safety and efficacy of new medicines and chemicals. They point to many potent medicines that exist thanks to animal testing. Opponents, meanwhile, contend that subjecting animals to experiments for human gain is ethically unjustified. What’s more, many argue, such research is often misleading because it compares apples and oranges: results from animal studies often don’t translate to humans because the animals are just too different.

NEW METHODS

Animal welfare activists have long insisted that researchers jettison research on animals for alternative methods, such as human stem cells grown in a dish, computer modelling, or expanded clinical trials. But it’s only in the past few years that most of these tools have become truly good enough for prime-time use. Now, many researchers are embracing these alternatives. As Dr Donald Ingber, director of Harvard University’s Wyss Institute for Biologically Inspired Engineering, says, “It’s coming to a tipping point.”

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