K- https://www.peta.org/issues/animals-used-for-experimentation/animals-used-experimentation-factsheets/animal-experiments-overview/

Question 1

K1- numbers

Answer 1

• Each year, more than 100 million animals—including mice, rats, frogs, dogs, cats, rabbits, hamsters, guinea pigs, monkeys, fish, and birds—are killed in U.S. laboratories for biology lessons, medical training, curiosity-driven experimentation, and chemical, drug, food, and cosmetics testing.
• 52 percent of U.S. adults oppose the use of animals in scientific research

Question 2

K2- quote

Answer 2

• The Journal of the American Medical Association, researchers found that medical treatments developed in animals rarely translated to humans and warned that “patients and physicians should remain cautious about extrapolating the finding of prominent animal research to the care of human disease … poor replication of even high-quality animal studies should be expected by those who conduct clinical research.”

Question 3

K3- more quotes

Answer 3

• former National Cancer Institute Director Dr. Richard Klausner, “We have cured mice of cancer for decades, and it simply didn’t work in humans.”
• former National Institutes of Health (NIH) Director Dr. Elias Zerhouni, who acknowledged that experimenting on animals has been a problem. “We have moved away from studying human disease in humans,” he said.”… The problem is that it hasn’t worked, and it’s time we stopped dancing around the problem. … We need to refocus and adapt new methodologies for use in humans to understand disease biology in humans.”(9)

Question 4

K4- quotes on quotes

Answer 4

• The U.S. Food and Drug Administration has stated, “Currently, nine out of ten experimental drugs fail in clinical studies because we cannot accurately predict how they will behave in people based on laboratory and animal studies.”(12)