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Is Darwinist P.Z. Myers right to say that the appendix is vestigial?

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Apologetics and the progress of science
Apologetics and the progress of science

First, let’s hear prominent atheist P. Z. Myers, who believes in Darwinism, explain why he thinks that the appendix is a useless vestigial organ leftover from an unguided, random process of evolution:

The appendix in humans, for instance, is a vestigial organ, despite all the insistence by creationists and less-informed scientists that finding expanded local elements of the immune system means it isn’t. An organ is vestigial if it is reduced in size or utility compared to homologous organs in other animals, and another piece of evidence is if it exhibits a wide range of variation that suggests that those differences have no selective component. That you can artificially reduce the size of an appendix by literally cutting it out, with no effect on the individual (other than that they survive a potentially acute and dangerous inflammation) tells us that these are vestigial.

Got that? You can cut out the appendix and it has “no effect on the individual”.

Now let’s look at the peer-reviewed science, so we can get the truth of the matter.

My good friend Joe Coder told me about this article from the Melbourne Herald Sun.

Excerpt:

MELBOURNE scientists have discovered new proof that the appendix — the often-removed organ once thought to be redundant — can be crucial to digestive health.

Researchers from the Walter and Eliza Hall Institute have shown how a group of immune cells team up with the appendix to protect the gut during infection.

They work together during bouts of food poisoning and other bacterial illnesses, and also help boost the immune systems of cancer patients.

Lead researcher Professor Gabrielle Belz, a laboratory head from WEHI’s molecular immunology division, said about 70,000 Australians have their appendix removed every year — making it one of the most common surgical procedures.

“Popular belief tells us the appendix is a liability,” Prof Belz said.

“However, we may wish to rethink whether the appendix is irrelevant for our health.”

Prof Belz said surgeons no longer removed the appendix “at the first drop of a hat”, reserving surgery for more serious cases of appendicitis.

The new research, led by Prof Belz and leading French immunologist Prof Eric Vivier, has shown that innate lymphoid cells (ILCs) shield the appendix from harmful bacteria.

This allows the small organ to act as a safe haven for “good” bacteria, which could then “reseed” the intestines and restore the health of the digestive system.

Prof Belz, whose research was published today in Nature Immunology journal, said ILCs offered an added layer of immune protection for healthy people.

But they were vital in fighting bacterial infections in people with compromised immune systems, such as cancer patients, Prof Belz said.

“This is particularly important because ILCs are able to survive in the gut even during (cancer) treatments, which typically wipe out other immune cells,” she said.

Prof Belz said that ability of ILCs to withstand chemotherapy also opened up “new avenues of investigation” for cancer treatment.

This expands on a previous study reported by the Washington Post.

Excerpt:

The appendix “acts as a good safe house for bacteria,” said Duke surgery professor Bill Parker, a study co-author. Its location — just below the normal one-way flow of food and germs in the large intestine in a sort of gut cul-de-sac — helps support the theory, he said. Also, the worm-shaped organ outgrowth acts like a bacteria factory, cultivating the good germs, Parker said. That use is not needed in a modern industrialized society, Parker said. If a person’s gut flora dies, it can usually be repopulated easily with germs they pick up from other people, he said. But before dense populations in modern times and during epidemics of cholera that affected a whole region, it wasn’t as easy to grow back that bacteria and the appendix came in handy.

Evolution News comments:

[…][A] few months back David Klinghoffer reported that researchers in the journal Clinical Gastroenterology and Hepatology found:

Individuals without an appendix were four times more likely to have a recurrence of Clostridium difficile, [a pathogen common in hospitals,] exactly as Parker’s hypothesis predicted. Recurrence in individuals with their appendix intact occurred in 11% of cases. Recurrence in individuals without their appendix occurred in 48% of cases.

In other words, the appendix performs important immune-related functions. Thus, the appendix is not there to occasionally explode. With the appendix increasingly considered to be an important organ that you wouldn’t want to lose, researchers have also found that antibiotics can cure many cases of appendicitis (see Eriksson et al., 2006  ).

Look, everyone has to decide whether they want to believe in religion or whether they want to believe in science. I understand that some people want to assume a religion of naturalism, and then try to fit reality into that pre-supposed dogma. But I don’t think that’s the right way to develop an accurate view of reality. We should follow the scientific evidence wherever it leads, and we should seek the truth – no holds barred.

Positive arguments for Christian theism

 

Polemics

If you accept Jesus and become a Christian, will God make you happy?

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Navy SEAL Matthew "Axe" Axelson
Navy SEAL Matthew “Axe” Axelson

This is a wonderful, wonderful post from Amy Hall, who writes for the Stand to Reason blog.

She writes:

I had a brief interaction with an atheist on Twitter a couple of weeks ago that unexpectedly turned to the issue of suffering when she said:

You clearly never had a time you were hurt. I don’t mean sick. I don’t mean heart broken. I mean literally a near death experience or rape or abusive relationship…. You can keep floating on a [expletive] cloud thinking Jesus will do everything for you but it’s a lie. What makes you so special?

That surprised me at first because it didn’t seem to have anything to do with the tweet she was responding to, and I was confused as to why she would assume I’d never been through anything traumatic. But then in subsequent tweets, when she revealed she had been raped, it became clear that her trauma had played a central role in her becoming an outspoken, obviously angry “antitheist.” She’s a self-described antitheist now because she thinks Christianity teaches Jesus “will do everything for you” to give you a perfect life, and now she knows that’s a lie. The rape proved her understanding of Christianity false.

So it made sense for her to reason that since I believe Christianity is true, I must still be under the delusion that Jesus is making my life special, which means I obviously never encountered any evil or suffering to shake that delusion.

All right, readers. I don’t want any of you to be thinking that if you become a Christian that these things should be expected to happen:

  • you will feel happy all the time
  • you will be able to sense God’s secret plan for your life through your feelings
  • God’s secret plan for your life will automatically work, even though it’s crazy
  • God will give you a perfect spouse and lots of money without you having to do any work
  • you get permission to do things that that make you happy, even if they are expressly forbidden by the Bible
  • you don’t have to do anything that makes you feel bad (e.g. – go to work), because God wants you to be happy

No! Where do people get this idea that if they convert to Christianity, then God will become their cosmic butler?

Amy has the answer: (emphasis mine)

Hear me, everyone: This is a failure of the church.

A friend of mine who was deeply suffering once said to me that many Christians are in for “an epic letdown” when they realize their preconceived notions about what God is expected to do for us are false. Pastors who preach a life-improvement Jesus are leading people down this precarious path to disillusionment.

If suffering disproves your Christianity, you’ve missed Christianity. The Bible is filled with the suffering of those whom God loves. The central event of the Bible is one of suffering. Love involves suffering. “We know love by this, that He laid down His life for us; and we ought to lay down our lives for the brethren.” That means suffering.

It’s the church. It’s all the singing about happy things and having of happy feelings and happy preaching designed to make us feel good. I would say the comforting devotional reading doesn’t help to make us any tougher or more practical, either. People seem to use Bible study and devotion as a way to artificially create good feelings of happiness, peace and comfort, instead of just doing hard things to serve God. I don’t think it’s a “spiritual” Christian thing to read A. W. Tozer, etc. just so that you can feel comforted and spiritual. That stuff just gives you a false sense of safety about your precarious situation. God’s job is not to prevent you from suffering. In fact, even if you make really smart, practical decisions, you can expect to get creamed anyway.

Please take 15 minutes and read the book of 1 Peter in the New Testament.

Here’s a summary from GotQuestions.org:

Purpose of Writing: 1 Peter is a letter from Peter to the believers who had been dispersed throughout the ancient world and were under intense persecution. If anyone understood persecution, it was Peter. He was beaten, threatened, punished and jailed for preaching the Word of God. He knew what it took to endure without bitterness, without losing hope and in great faith living an obedient, victorious life. This knowledge of living hope in Jesus was the message and Christ’s example was the one to follow.

Brief Summary: Though this time of persecution was desperate, Peter reveals that it was actually a time to rejoice. He says to count it a privilege to suffer for the sake of Christ, as their Savior suffered for them. This letter makes reference to Peter’s personal experiences with Jesus and his sermons from the book of Acts. Peter confirms Satan as the great enemy of every Christian but the assurance of Christ’s future return gives the incentive of hope.

Practical Application: The assurance of eternal life is given to all Christians. One way to identify with Christ is to share in His suffering. To us that would be to endure insults and slurs from those who call us “goodie two shoes” or “holier than thou.” This is so minor compared to what Christ suffered for us on the Cross. Stand up for what you know and believe is right and rejoice when the world and Satan aim to hurt you.

Recently, I blogged about how suffering is compatible with an all-powerful God, so you might want to read that too if you missed it.

Polemics

Can atheists help themselves to objective morality on atheism?

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A conflict of worldviews
A conflict of worldviews

Here’s Dr. William Lane Craig explaining why you can’t:

He presents 3 reasons why in the video, all of which are also discussed in his Defenders class:

The mention of Plato brings to mind another possible atheistic response to the first premise of the moral argument that if God does not exist, then objective moral values and duties do not exist. Plato thought that the Good just exists as a sort of self-subsistent idea, as an entity in and of itself. Indeed, it is the most real thing in reality. The Good simply exists. If you find this difficult to grasp, join the company! Nevertheless, that is what Plato believed. Later Christian thinkers, like Augustine, equated Plato’s Good with the nature of God. God’s nature is the Good, and so it was anchored in a concrete object, namely, God. But for Plato, at least, the Good just sort of existed on its own as a kind of self-existent idea.

Some atheists might say that moral values, like Justice, Mercy, Love, and Forbearance, just exist all on their own as sort of abstract moral objects. They have no other foundation; they just exist. We can call this view Atheistic Moral Platonism. According to this view, moral values are not grounded in God. They just exist all on their own.

Unintelligibility of Atheistic Moral Platonism

What might we say by way of response to Atheistic Moral Platonism? Let me make three responses. First, it seems to me that this view is just unintelligible. I simply don’t understand what it means. What does it mean, for example, to say that the moral value Justice just exists? I understand what it means to say that a person is just or that some action is just, but what does it even mean to say that in the absence of any persons or any objects at all, that Justice just exists? It is hard to understand even what this means. Moral values seem to be properties of persons, and so it is hard to understand how Justice can just exist as a sort of abstraction.

Lack of Moral Obligation on Atheistic Moral Platonism

Secondly, a major weakness of this view is that it provides no basis for objective moral duties. Let’s suppose, for the sake of argument, that moral values like Justice, Love, Forbearance, and Tolerance just exist on their own. Why would that lay any sort of moral obligation upon me? Why would the existence of this realm of ideas make it my duty to be, say, merciful or loving? Who or what lays such an obligation upon me? Why would I have the moral duty to be merciful or loving? Notice that on this view moral vices like Greed, Hatred, and Selfishness presumably also exist as abstractions. In the absence of any moral law giver, what obligates me to align my life with one set of these abstract ideas rather than with some other set of abstract ideas? There just doesn’t seem to be any basis at all for moral duty in this view. In the absence of a moral law giver, Atheistic Moral Platonism lacks any basis for moral obligation.

Improbability of Atheistic Moral Platonism

Finally, thirdly, it is fantastically improbable that the blind evolutionary process should spit forth exactly those kinds of creatures that align with the existence of this realm of abstract values.1 Remember that they have no relationship with each other at all. The natural realm and this abstract moral realm are completely separate. And yet, lo and behold, the natural realm has by chance alone evolved exactly those kind of creatures whose lives align with these moral duties and values. This seems to be an incredible coincidence when you think about it. It is almost as if the moral realm knew that we were coming! I think it is a far more plausible view to say that both the natural realm and the moral realm are under the sovereignty of a divine being, who is both the creator of natural laws that govern the physical universe and whose commands constitute the moral laws that govern our ethical duties. This is a more coherent view of reality. Theism is a more coherent view because these two realms of reality don’t fall apart in this disjointed way. They are both under the sovereignty of a single natural and moral law giver.

For those three reasons, Atheistic Moral Platonism is a less plausible view than theistic based ethics such as I have been defending.

And now, I must be mean to the atheists, because I think this me too nonsense is just ridiculous, desperate intellectual dishonesty.

I remember having a conversation with one of my IT project managers who was an atheist, and she asked me what I thought would happen to dogs when they died. I said “well they don’t have an afterlife so they just rot away when we bury them and get eaten by worms”. She was aghast and said “no they don’t, they go to Heaven”. And that’s what morality on atheism is. It’s just an appearance package that gets bolted on absolute meaninglessness and hedonism. And even if the atheist tries to make traditional decisions in their own lives, they typically push for full-on dismantling of Judeo-Christian values, especially in the sexual realm. And that spills over into abortion, divorce, same-sex marriage and government restraints on free speech, conscience and religious liberty.

Dear atheists: you cannot duct tape morality onto nihilism and have it be rational. We know you’re doing it to feel good about yourselves and to appear normal instead of wearing your nihilism openly. But your faked morality is not even close to the morality of theists, and especially not of Christian theists. Christians go against their self-interest because we imitate the self-sacrificial love of Christ, who gave himself as a ransom to save others. That makes no sense on an atheistic worldview, since this life is all you have, and there is no afterlife where your actions are in the context of a relationship with that self-sacrificial Son of God. In any case, free will doesn’t exist on atheism, so that means no moral choices regardless. These are the common sense implications of atheist first principles, and in fact that’s what you hear expressed from the finest atheist scholars: no free will, no right and wrong, no life after death.

If you want to see what atheists really think about morality, then take a look at this post featuring Matt Dillahunty, where he is asked to condemn the Holocaust as objectively wrong, and he refuses to do it. That’s intellectually consistent atheist morality right there. If the universe is an accident, and human beings evolved by accident, then there is way things ought to be, and no way we ought to act. And no one is there is no ongoing two-way relationship for our conduct to be part of, anyway. On atheism, human beings will die out individually and collectively in the heat death of the universe. Once the heat death of the universe arrives, there will be no one left to care how we lived after we’re dead – there is no one waiting for us who cares how we act towards him and towards others. Atheists can arbitrarily put any limits they want on their actions, based on what makes them feel good, and what makes people like them, perhaps taking account the arbitrary customs and conventions of the time and place they find themselves in. But it’s delusional and irrational make-believe for atheists to claim that morality is rational on their worldview.

Positive arguments for Christian theism