Animal testing

Juwon Jang

Carlton Johnson

Advanced English

9 9 2015

Using animals for succeeding chemical and biological experiments

Humans have used the animals for the purpose of succeeding their experiments. When we ask “why do you use the animals in experiments” of scientists and experiments, they reply like “There are so many ethical problems when we use people for experiments.”  Isn’t it ironical? They are using the ‘animals’ instead of ‘human’ in order to succeed their experiments. So in this essay I’m going to oppose to it.

Pros or Positives of Animal Testing

  1. Helps researchers to find drugs and treatments:
    The major pro for animal testing is that it aids researchers in finding drugs and treatments to improve health and medicine. Many medical treatments have been made possible by animal testing, including cancer and HIV drugs, insulin, antibiotics, vaccines and many more.
  2. Improves human health
    It is for this reason that animal testing is considered vital for improving human health and it is also why the scientific community and many members of the public support its use. In fact, there are also individuals who are against animal testing for cosmetics but still support animal testing for medicine and the development of new drugs for disease.
  1. Alternative methods of testing do not simulate humans in the same way
    Scientists typically use animals for testing purposes because they are considered similar to humans. As such, researchers do recognize the limitations and differences but the testing is done on animals because they are thought to be the closest match and best one with regards to applying this data to humans.

Cons or Negatives of Animal Testing

  1. Animals are killed or kept in captivity:
    In animal testing, countless animals are experimented on and then killed after their use. Others are injured and will still live the remainder of their lives in captivity.
  2. Some substances tested, may never be used for anything useful:
    The unfortunate aspect is that many of these animals received tests for substances that will never actually see approval or public consumption and use. It is this aspect of animal testing that many view as a major negative against the practice, as it seems that the animal died in vain because no direct benefit to humans occurred.
  3. Animals and humans are never exactly the same:
    There is also the argument that the reaction of a drug in an animal’s body is quite different from the reaction in a human. The main criticism here is that some believe animal testing is unreliable. Following on that criticism is the premise that because animals are in an unnatural environment, they will be under stress. Therefore, they won’t react to the drugs in the same way compared to their potential reaction in a natural environment. This argument further weakens the validity of animal experimentation.

    Scientist watching mice in laboratory
    Scientist watching mice in laboratory


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