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Why we Don’t Starve Humans:
An Interview with Dr. Chris Kahlenborn

By Tim Drake
March 25, 2005

Dr. Chris Kahlenborn is an internist in Altoona, Pennsylvania. He serves as president of the Polycarp Research Institute ( He spoke with Tim Drake about the dynamics and ethics of denying a person nutrition and hydration.

What happens to a person when he or she is denied food and water?

The first thing is that after 2-3 days you get extremely dehydrated. That results in a lot of changes in the body. Your mucous membranes and your skin get very dry. Your mouth cracks. It’s very uncomfortable. Your urine becomes very concentrated and acidic, making it uncomfortable to urinate.

Then your heart rate increases, your blood pressure decreases, and after about the third day, your kidneys start to develop problems. When the kidneys are damaged enough, they cannot get rid of the poison in the body. Blood urea nitrogen (BUN) builds up. The effect that this has on the body is to give you a type of lethargy, and has an almost anesthetic effect. It can also result in seizures. The poison builds up and drives the person towards unconsciousness after a period of days. The cause of death is usually seizures or cardiac arrhythmia because of an electrolyte imbalance.

That sounds painful.

The initial part of the process is pretty painful. Imagine playing a tennis match and not grabbing your Gatorade. Try not drinking anything for a day or two and you would get a sense of what it would feel like. You could say that the person eventually gets comfort, but it’s after a lot of pain.

Is the denial of nutrition and hydration a standard practice in health care?

It’s happening daily in hospitals, in hospices, in homes. It happens most often with patients who have Alzheimer’s or who have suffered bad strokes. It’s happening, yet no one is doing anything about it. Patients are often being denied stomach tubes per the family’s request.

Medical professionals are using the term “artificial nutrition and hydration” to say it’s not natural. They are arbitrarily calling it artificial partly because the means of getting food into you require assistance. Yet, if you use that definition, babies should be starving too, because every baby needs our help in order to be fed.

Are Catholic medical professionals condoning this?

They are split. The Catholic Medical Association ( has an excellent statement currently on their web site: it reads:

In March 2004, Pope John Paul II addressed an international congress of health care professionals convened in Rome to discuss the scientific advances and ethical dilemmas in the vegetative state. In the statement by the Vicar of Christ, “Life Sustaining Treatments and Vegetative State,” he declares clearly and unequivocally that “the sick person in a vegetative state still has the right to basic health care…the administration of water and food, even when provided by artificial means, always represents a natural means of preserving life, not a medical act…Its use furthermore, should be considered in principle, ordinary and proportionate, and as such morally obligatory…Death by starvation or dehydration is, in fact, the only possible outcome as a result of their withdrawal. In this sense it ends up becoming, if done knowingly and willingly, true and proper euthanasia by omission.”

This papal statement makes it absolutely clear that the withdrawal of food and water from Mrs. Schindler-Schiavo constitutes euthanasia, a gravely immoral act. We would add furthermore, that it represents a violation of her constitutionally protected right to life and a violation of her religious freedom as a Catholic.

They would argue rather strongly that food and hydration should be provided unless it’s harmful or death is imminent. Some physicians have a pretty loose definition of imminent. For some that’s an hour or two; for others it’s six months. Death is imminent for all of us.

Are there times when the denial of nutrition or fluids is permissible?

The way I see it, there should always be some form of hydration. There may be a time in medicine when you don’t have to place a stomach tube, but fluids should be continued to keep a person comfortable and to assist in hydration. If someone has metastatic cancer and has only a few hours or days to live, you wouldn’t have to put in a stomach tube, but the person should be kept comfortable with I.V. fluids.

About the only case I can see where you might withhold fluids for a certain time would be congestive heart failure, but that’s only temporary. It would be pretty hard to find a case where you wouldn’t give a person fluids. In almost every case, nutrition should be given.

If a person has an injury, such as a chemical burn of the esophagus, and cannot eat any more, everyone would say that the person should be given a stomach tube. Yet, when you have a person with Alzheimer’s, some people will say that they have lived their life and can slowly die of starvation by failing to place a stomach tube. When you do that, you’re basing the entire decision upon intellectual ability and worth. If you take IQ out of it, you would treat the two people the same. If you argue that someone can’t process the food otherwise, they should be given a stomach tube, then you need to give it to everyone. I’ve never seen anyone who could challenge that argument.

Many of these arguments are similar to the abortion argument.

What is the Catholic Church’s position with regard to nutrition and hydration?

Nutrition and hydration should always be given, unless it’s directly harmful to the patient as noted by Pope John Paul II above.

Advance directives and living wills have become quite common. What do you see as the danger of such directives?

They are greatly misunderstood and greatly abused. My feeling is that the legal profession takes advantage of people’s fears to rack up the money. Most lay Catholics have no clue what the Church’s teaching is. They sign living wills all the time. Such directives often go against Catholic Church teaching. When you have a 30-year-old’s directive saying he or she doesn’t want food or water, or antibiotics, or blood products, that usually represents a gross misunderstanding of Church teaching. Most of the time, you should be getting those things. So many times people are signing something that is against Church teaching.

I’m not saying they are always wrong. You could have a carefully thought out “loving will” that focuses on the things that you do want, rather than the things that you don’t want. It’s better not to get into specifics, or there is the potential to be taken advantage of by lawyers. I helped one gentleman who was slowly dying to create a positive “loving will.” It said that he did want food and hydration and consultation with someone before he died.

In the case of Terri Schiavo, why is the denial of nutrition and hydration wrong?

It’s wrong in any circumstance, regardless of whether she said she didn’t want it or her husband says she didn’t want it. It’s inherently evil to deny food and water to anyone unless it’s going to make the person worse or death is within a few hours. It’s independent from what she or her husband has said.

What of someone in a “persistent vegetative state” (PVS)?

Even in the case of someone in a persistent vegetative state, the Pope has said that the person should get food and water.

The definition of the persistent vegetative state is basically a person whose brain has been affected so that they make or perform no conscious or purposeful action. You can’t make them follow a command, in theory. They do not talk.

My problem is that you don’t know what is happening inside a person, of if they will be changing. Some people in a vegetative state have progressed to higher levels. The Pope has said that you should receive food and hydration, even in that state. There is a real black and white there.

Do you know whether it’s permissible to starve an animal in the state of Florida?

That would be considered cruelty to animals. The Nazis tortured St. Maximilian Kolbe by trying to starve him. I think he lived for about 12 days. In the end, they gave him an injection of carbolic acid. Most people would say that you wouldn’t do that to an animal.

Tim Drake

Tim Drake is a staff writer with the National Catholic Register, and author of the book “Young and Catholic: The Face of Tomorrow’s Church” (Sophia Institute Press, 2004). He writes from Saint Joseph, Minnesota.



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All information posted on this web site is the opinion of the author and is provided for educational purposes only. It is not to be construed as medical advice. Only a licensed medical doctor can legally offer medical advice in the United States. Consult the healer of your choice for medical care and advice.