medical testing on animals essay

Ethical care for research animals

WHY ANIMAL RESEARCH?

The use of animals in some forms of biomedical research remains essential to the discovery of the causes, diagnoses, and treatment of disease and suffering in humans and in animals., stanford shares the public's concern for laboratory research animals..

Many people have questions about animal testing ethics and the animal testing debate. We take our responsibility for the ethical treatment of animals in medical research very seriously. At Stanford, we emphasize that the humane care of laboratory animals is essential, both ethically and scientifically.  Poor animal care is not good science. If animals are not well-treated, the science and knowledge they produce is not trustworthy and cannot be replicated, an important hallmark of the scientific method .

There are several reasons why the use of animals is critical for biomedical research: 

••  Animals are biologically very similar to humans. In fact, mice share more than 98% DNA with us!

••  Animals are susceptible to many of the same health problems as humans – cancer, diabetes, heart disease, etc.

••  With a shorter life cycle than humans, animal models can be studied throughout their whole life span and across several generations, a critical element in understanding how a disease processes and how it interacts with a whole, living biological system.

The ethics of animal experimentation

Nothing so far has been discovered that can be a substitute for the complex functions of a living, breathing, whole-organ system with pulmonary and circulatory structures like those in humans. Until such a discovery, animals must continue to play a critical role in helping researchers test potential new drugs and medical treatments for effectiveness and safety, and in identifying any undesired or dangerous side effects, such as infertility, birth defects, liver damage, toxicity, or cancer-causing potential.

U.S. federal laws require that non-human animal research occur to show the safety and efficacy of new treatments before any human research will be allowed to be conducted.  Not only do we humans benefit from this research and testing, but hundreds of drugs and treatments developed for human use are now routinely used in veterinary clinics as well, helping animals live longer, healthier lives.

It is important to stress that 95% of all animals necessary for biomedical research in the United States are rodents – rats and mice especially bred for laboratory use – and that animals are only one part of the larger process of biomedical research.

Our researchers are strong supporters of animal welfare and view their work with animals in biomedical research as a privilege.

Stanford researchers are obligated to ensure the well-being of all animals in their care..

Stanford researchers are obligated to ensure the well-being of animals in their care, in strict adherence to the highest standards, and in accordance with federal and state laws, regulatory guidelines, and humane principles. They are also obligated to continuously update their animal-care practices based on the newest information and findings in the fields of laboratory animal care and husbandry.  

Researchers requesting use of animal models at Stanford must have their research proposals reviewed by a federally mandated committee that includes two independent community members.  It is only with this committee’s approval that research can begin. We at Stanford are dedicated to refining, reducing, and replacing animals in research whenever possible, and to using alternative methods (cell and tissue cultures, computer simulations, etc.) instead of or before animal studies are ever conducted.

Organizations and Resources

There are many outreach and advocacy organizations in the field of biomedical research.

• Learn more about outreach and advocacy organizations

Stanford Discoveries

What are the benefits of using animals in research? Stanford researchers have made many important human and animal life-saving discoveries through their work. 

• Learn more about research discoveries at Stanford

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Animal Testing Essay

Ielts animal testing essay.

Here you will find an example of an IELTS  animal testing essay .

In this essay, you are asked to discuss the arguments  for  and  against  animal testing, and then give  your own conclusions  on the issue.

This means you must look at both sides of the issue and you must also be sure you give your opinion too.

The essay is similar to an essay that says " Discuss both opinions and then give your opinion " but it is worded differently.

Take a look at the question and model answer below, and think about how the essay has been organised and how it achieves coherence and cohesion.

You should spend about 40 minutes on this task.

Write about the following topic:

Examine the arguments in favour of and against animal experiments, and come to a conclusion on this issue.

Give reasons for your answer and include any relevant examples from your own experience or knowledge.

Write at least 250 words.

Animals Testing Essay - Model Answer

Issues related to animal experimentation are frequently discussed these days, particularly in the media. It is often said that animals should not be used in testing because it is cruel and unnecessary. This essay will examine the arguments for and against animal testing. 

On the one hand, the people who support these experiments say that we must do tests on animals. For instance, many famous lifesaving drugs were invented in this way, and animal experiments may help us to find more cures in the future. Indeed, possibly even a cure for cancer and AIDS. Furthermore, the animals which are used are not usually wild but are bred especially for experiments. Therefore, they believe it is not true that animal experiments are responsible for reducing the number of wild animals on the planet. 

On the other hand, others feel that there are good arguments against this. First and foremost, animal experiments are unkind and cause animals a lot of pain. In addition, they feel that many tests are not really important, and in fact animals are not only used to test new medicines but also new cosmetics, which could be tested on humans instead. Another issue is that sometimes an experiment on animals gives us the wrong result because animals’ bodies are not exactly the same as our own. As a consequence, this testing may not be providing the safety that its proponents claim.

In conclusion, I am of the opinion, on balance, that the benefits do not outweigh the disadvantages, and testing on animals should not continue. Although it may improve the lives of humans, it is not fair that animals should suffer in order to achieve this.

(Words 278)

This animal testing essay would achieve a high score.

It fully answers all parts of the task - explaining the arguments ' for ' in the first paragraph and the arguments ' against ' in the next. Conclusions are then drawn with the writer giving their opinion in the conclusion.

It is thus very clearly organised, with each body paragraph having a central idea .

Ideas are also extended and supported by the use of reasons and some examples or further clarification. No ideas are left unclear or unexplained.

There is also some good topic related vocabulary in the animal testing essay such as 'life saving drugs ' and 'bred ' and a mix of complex sentences , such as adverbial clauses :

'Although it may improve the lives of humans, it is not fair that animals should suffer in order to achieve this'.

Noun clauses :

'...they feel that many tests are not really important'.

And relative clauses :

'...the animals which are used are not usually wild... '

Transitions are also used effectively to ensure there is good coherence and cohesion . For example, ' On the other hand.. ' indicates a change to discuss the contrasting ideas, and ' Therefore... " and ' As a consequence..' are used to give results.

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Animal Testing Essay

Posted by David S. Wills | Oct 21, 2022 | Model Essays | 0

There is a wide range of topics used in the IELTS writing test and many of them overlap. Today, we are going to look at a question that falls between the topics of animals and ethics and science. It will require you to write an animal testing essay .

In this article, I will analyse the question for you, give you some pointers on useful language, and then show you my own sample band 9 answer.

The Task: Animal Testing

Here is a question that appeared in the IELTS exam several years ago:

Some people claim that it is acceptable to use animals in medical research for the benefit of human beings, while other people argue that it is wrong. Discuss both views and give your opinion.

(Note that questions can be re-used or re-written, so it is possible that you might see this recycled in the future.)

This is a “discuss both views” question , so your task is ultimately to do three things:

• Explain why some people think animal testing is acceptable
• Explain why some people think animal testing is unacceptable
• Give your opinion

Even if you feel really strongly that it is wrong, for example, you still need to explain the opposing view. You don’t need to give a balanced answer , but you do need to acknowledge both sides of the debate. This is important for Task Response.

Planning your Answer

I almost always write a four-paragraph essay for my sample band 9 answers but today I’m going to write five. It could easily have been four paragraphs but I wanted to separate my anti-animal testing arguments into two separate paragraphs for better organisation. (You can read about 4- vs 5-paragraph essay structures here .)

My essay is going to look like this:

When it comes to a task 2 introduction , please make sure that you have a clear outline sentence and also that your opinion (if one is required) is stated clearly.

Body paragraph 1 will act as a sort of concession paragraph , so it will be imperative that I make it clear that this is not my opinion but rather what some other people think. If I fail to do this, then the reader might be confused.

The ideas in body paragraphs 2 and 3 will be separated but could also have been condensed into two paragraphs. However, I felt that for this topic it was a little more effective to split them. It also made my argument slightly more persuasive.

For the conclusion , I will be careful not to repeat myself too much and instead just summarise and reaffirm my stance.

Language for an Animal Testing Essay

The topic of animal testing is obviously controversial and so people will have different ideas. What you say will be largely based upon your own opinions. However, keep in mind that it covers those three topics I mentioned:

You don’t really need to know a lot about each, but it definitely would have some benefit if you knew a little about these areas and had some good vocabulary to use. I wrote about the IELTS topic of animals here , and there is plenty of good vocabulary that you can borrow. You can also search “animals” in the search bar at the top of the page.

I also recommend that you read and listen on issues that are related to IELTS topics like this. I particularly recommend the SYSK podcast episode on animal testing, which I think it is informative and accessible. You may learn some good language and get some inspiration for what you could write in your own animal testing essay. Other sources include this argument against animal testing by PETA and this one in favour of it by Stanford.

Language for Contentious Issues

In my essay, I will use the following phrases, which could be modified and applied to other contentious issues. I will put the specific language in brackets, so that you could swap it out when discussing other topics:

• [animal testing] has been fiercely debated due to the ethical problems inherent in this area of [science]
• The people who believe that [animal testing] is necessary tend to say…
• this is wrong for several reasons
• [animal testing] is not as helpful in [developing medicines] as people think
• There are many other reasons why [experimenting with animals] is wrong
• it is grossly unethical to [subject these creatures to painful and demeaning experiences]
• people may argue that there are benefits that come from [experimenting on animals], but in fact there is no good reason to continue doing this

You can try using and modifying these phrases in your own practice essays. If you want an expert to correct them for you, try my IELTS writing correction service .

Language about Animal Testing

The following phrases will also appear in my essay and can be used for talking about animal testing:

• this area of science
• animal testing should be banned
• testing medicines before using them on human beings
• figure out the cures to many serious illnesses
• Medicines that work on animals do not always work on humans
• if scientists give a mouse diabetes and then try various drugs to cure the problem
• subject these creatures to painful and demeaning experiences
• They are sentient beings
• subjected to cruel and often unnecessary experiments
• harmful both to humans and animals

It is also important to avoid repetition and that means finding ways to say “animal testing” without repeating the say words over and over. You could say:

• testing on animals
• experimenting on animals
• subjecting animals to medical experiments
• using animals in experiments

Again, it would be helpful to read articles and listen to podcasts on this topic in order to improve your vocabulary.

Sample Band 9 Answer

Over the past few decades, animal testing has been fiercely debated due to the ethical problems inherent in this area of science. This essay will look at both sides of the debate, before concluding that animal testing should be banned.

The people who believe that animal testing is necessary tend to say that there are serious benefits to humanity, such as testing medicines before using them on human beings. They believe that this will help to figure out the cures to many serious illnesses, which will make the world a better place for humans. However, this is wrong for several reasons.

Firstly, animal testing is not as helpful in developing medicines as people think. Medicines that work on animals do not always work on humans, and vice versa. As such, these trials are not just unnecessary but also profoundly unhelpful. For example, if scientists give a mouse diabetes and then try various drugs to cure the problem, they may find that there are twelve drugs that do not work on the mouse. However, maybe one of those drugs would have worked on a human. As such, animal testing would have caused more problems than it solved.

There are many other reasons why experimenting with animals is wrong. Perhaps most importantly, it is grossly unethical to subject these creatures to painful and demeaning experiences for the benefit of humanity. Animals do not exist for the benefit of people. They are sentient beings that deserve better than to be caged and subjected to cruel and often unnecessary experiments.

In conclusion, people may argue that there are benefits that come from experimenting on animals, but in fact there is no good reason to continue doing this. At best, these experiments are useless and at worst they are unethical and harmful both to humans and animals.

Final Notes

You can see that I have carefully crafted an argument that is strong. You may not agree with it, but it is hard to deny my points, which makes it effective in terms of Task Response. The structure is also solid and the ideas were well connected, making it very good in terms of Coherence and Cohesion . Note the inclusion of realistic and interesting ideas as well as concrete examples. My explanation of testing on mice was particularly effective here. It is better than giving some vague or unexplained idea.

About The Author

David S. Wills

David S. Wills is the author of Scientologist! William S. Burroughs and the 'Weird Cult' and the founder/editor of Beatdom literary journal. He lives and works in rural Cambodia and loves to travel. He has worked as an IELTS tutor since 2010, has completed both TEFL and CELTA courses, and has a certificate from Cambridge for Teaching Writing. David has worked in many different countries, and for several years designed a writing course for the University of Worcester. In 2018, he wrote the popular IELTS handbook, Grammar for IELTS Writing and he has since written two other books about IELTS. His other IELTS website is called IELTS Teaching.

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student opinion

Is Animal Testing Ever Justified?

The E.P.A. recently said it would move away from requiring the testing of potentially harmful chemicals on animals. Do you support the decision?

By Natalie Proulx

Find all our Student Opinion questions here.

On Sept. 10, the Environmental Protection Agency said it would move away from requiring the testing of potentially harmful chemicals on animals, a decision that was hailed by animal rights groups but criticized by environmentalists and researchers who said the practice was necessary to rigorously safeguard human health.

What are your thoughts on animal testing? Do you think it is ever justified? Why or why not?

In “ E.P.A. Says It Will Drastically Reduce Animal Testing ,” Mihir Zaveri, Mariel Padilla and Jaclyn Peiser write about the decision:

The E.P.A. Administrator Andrew Wheeler said the agency plans to reduce the amount of studies that involve mammal testing by 30 percent by 2025, and to eliminate the studies entirely by 2035, though some may still be approved on a case-by-case basis. The agency said it would also invest $4.25 million in projects at four universities and a medical center that are developing alternate ways of testing chemicals that do not involve animals. “We can protect human health and the environment by using cutting-edge, ethically sound science in our decision-making that efficiently and cost-effectively evaluates potential effects without animal testing,” Mr. Wheeler said in a memo announcing the changes. The E.P.A. has for decades required testing on a variety of animals — including rats, dogs, birds and fish — to gauge their toxicity before the chemicals can be bought, sold or used in the environment.

The article continues:

The practice of testing with animals has long prompted complex debates driven by passionate views on morality and scientific imperative. Reaction to Tuesday’s announcement was no different. “We are really excited as this has been something we’ve wanted for quite some time,” said Kitty Block, the president and chief executive of the Humane Society of the United States, an animal protection organization. “The alternatives are the future. They’re more efficient and save lives.” Kathleen Conlee, the vice president of animal research issues at the Humane Society, said the E.P.A.’s move is “broad-sweeping and significant.” “This is the first time a government agency has made such a commitment and timelined its specific goals along the way,” Ms. Conlee said. “There’s been a lot of positive action among other federal agencies, but we want to see all government agencies take this step.” Tracey Woodruff, a professor at the University of California, San Francisco’s school of medicine, said current alternatives to animal testing are somewhat useful. But Dr. Woodruff, who worked at the E.P.A. from 1994 to 2007, said only animal testing — a process honed over decades — was robust enough to gauge chemicals’ impacts on people of various ages, genetics and health backgrounds. “I definitely think we should be investing more in this research,” she said, referring to alternative testing. “But it’s really not ready for making decisions yet — at least the way that E.P.A. is making decisions.” Jennifer Sass, a senior scientist at Natural Resources Defense Council, an environmental advocacy group, said she was very concerned by the announcement. Dr. Sass said animals were still necessary to study chronic conditions, like cancer and infertility. Cells in a petri dish cannot yet replace whole living systems, she said. “The E.P.A.’s deadline is arbitrary,” Dr. Sass said. “Our interest isn’t in speed, it’s getting it right. We want proper animal testing because we don’t want harmful chemicals to end up in our food, air and water.”

Students, read the entire article, then tell us:

Do you support the decision by the E.P.A. to move away from requiring the testing of potentially harmful chemicals on animals? Or do you think animal testing is still necessary to regulate harmful substances that can have adverse effects on humans?

How important is it to you that the toxicity of chemicals and other environmental contaminants is rigorously studied and regulated? Why? Do you think not testing on animals hinders those efforts?

The Food and Drug Administration, the National Institutes of Health and the Department of Veterans Affairs are among the government agencies that still rely on animal testing. Do you think animal testing is important in these sectors or any others? Why or why not?

Do you think animal testing is ever justified? If so, what should be the criteria for when, how and on what animals testing is done?

Students 13 and older are invited to comment. All comments are moderated by the Learning Network staff, but please keep in mind that once your comment is accepted, it will be made public.

Natalie Proulx joined The Learning Network as a staff editor in 2017 after working as an English language arts teacher and curriculum writer. More about Natalie Proulx

Home — Essay Samples — Environment — Animal Welfare — Argumentative Essay The Ethics Of Animal Testing

Argumentative Essay The Ethics of Animal Testing

• Categories: Animal Welfare Ethics

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Published: Mar 5, 2024

Words: 1061 | Pages: 2 | 6 min read

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Medical Testing On Animals

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