Skeptophilia (skep-to-fil-i-a) (n.) - the love of logical thought, skepticism, and thinking critically. Being an exploration of the applications of skeptical thinking to the world at large, with periodic excursions into linguistics, music, politics, cryptozoology, and why people keep seeing the face of Jesus on grilled cheese sandwiches.

Friday, October 13, 2017

Permafrost permayouth

You might have heard about people consuming pills of dried shark cartilage as nutritional supplements.  They're still widely available, in fact.  It's supposed to be anti-carcinogenic.  Why, you might ask, did people get this idea?

Because, the purveyors of shark cartilage pills say, sharks don't get cancer.  So if you grind up shark parts and consume them, you won't get cancer either.

There are just two problems with this practice:
  • Sharks actually do get cancer, something that has been known since at least 1908.
  • Shark cartilage has been tested and found to have no beneficial therapeutic value whatsoever.  It is, however, kind of critical for the shark itself, and the practice of killing sharks for their cartilage has led to widespread decline in sharks in many parts of the world.
This did not stop two of the most prominent cartilage shark spokespeople, I. William Lane and Linda Comac, from writing a book called Sharks Don't Get Cancer When the book was completely trashed by scientists and other reviewers, Lane responded by writing a second book four years later called Sharks Still Don't Get Cancer.

His publisher wisely recommended that Lane eliminate the subtitle he was planning to use, which was So Take That Nyah Nyah Nyah Nyah pfffttptbtbtbtbtb.

As usual, we have people who aren't letting little things like evidence and facts stand in the way of their claim.  You can still buy shark cartilage pills in many pharmacies, including a brand called, I kid you not, "BeneFin."

I bring all this up because yesterday I ran across a story about a woman who is doing something even stupider than consuming shark cartilage to prevent cancer; she is injecting herself with bacteria so she won't age.

It's not just ordinary, garden-variety bacteria, either.  These are bacteria that had been frozen in the permafrost of Siberia for, by some estimates, 3.5 million years, and now have been resuscitated by the thaw.  A Russian professor of geology named Anatoli Brouchkov noticed that the Yakut people who live in the area have a reputation for long lifespans, so he decided that (of course) it had to be because they were drinking melted permafrost water that had the bacteria in it.

Couldn't be genetics, or diet, or anything.

So he treated some plants, fruit flies, and mice with the bacteria, which has been dubbed "Bacillus F."  Brouchkov that they "seemed to have a rejuvenating effect," although gives no details about how he knew.  How do you distinguish between a rejuvenated houseplant and a tired, listless one?  Do non-rejuvenated fruit flies fly about in a dejected fashion?

Be that as it may, Brouchkov is certain enough of his claim that he's drinking water with Bacillus F in it himself.  But an actress who calls herself "Manoush" has gone a step further; she is now injecting herself with the bacteria.

Manoush, best known for such A-list blockbusters as Zombie Reanimation, The Shrieking, Philosophy of a Knife, and The Turnpike Killer, says she started taking the bacteria because like many of us, she's not so fond of the idea of getting old.  "Aging is a disease," she says.  "It is a genetic flaw to me.  Even as a teenager I could never accept the concept of getting older one day.  I don’t care what people think. I will stop at nothing to look and feel younger.  Nothing."

Which, I think we could all agree, would leave us with no option other than injecting 3.5 million-year-old Siberian permafrost bacteria directly into our bodies.

Manoush is absolutely convinced she's now aging backwards.  Me, I'm not sure.  I'm not fond of the gray hair, stiff joints, and crow's feet I've gotten in the past few years, but I don't think the answer is to jump on some loopy idea about anti-aging bacteria.  In fact, injecting bacteria into yourself is kind of a bad idea in general; perfectly normal, ordinary skin bacteria become a serious problem if they get into your bloodstream.  A friend of mine's father, in fact, almost died of a Staphylococcus aureus infection when his thumb got skewered by a rose thorn.

Staphylococcus aureus, I should point out, is a ubiquitous part of our skin flora.  On the surface of your skin, it's harmless.  Inside you, it can result in blood sepsis, which is a quick and spectacularly nasty way to die.

Staphylococcus aureus [image courtesy of the National Institute of Health]

So as much as I'd like perpetual youth, I'm not going to get in line behind Manoush for my bacteria injection.  I'll put up with the gray hair, which I'm told makes me look "distinguished," which isn't as good as "drop-dead sexy," but I guess I'll deal.

Thursday, October 12, 2017

The time-traveling drunk from 2048

As if we needed another thing to worry about, today we have: a time traveler from 2048 who has come back to tell us that next year the Earth is going to be invaded by aliens.

According to the story, which I have now been sent 14,398 times, the time traveler is named Bryant Johnson, and he showed up in Casper, Wyoming last week with a dire message for humanity in general, and the president in particular.  (Although it must be mentioned that he asked to speak to "the president of Casper," which is a little peculiar.)  According to radio station KTWO, which broke the story, Johnson was drunk at the time because being drunk helps you to time travel.

Which certainly squares with my experience with alcohol, and also reminds me of the following exchange between Ford Prefect and Arthur Dent from The Hitchhiker's Guide to the Galaxy:
Arthur: What are you doing?
Ford: Preparing for hyperspace.  It's rather unpleasantly like being drunk.
Arthur: What's so bad about being drunk?
Ford: Go ask a glass of water.
Johnson being drunk is also why he landed when he did.  Apparently he was aiming for early 2018 and missed.  Just as well; it'll give us more time to prepare for the invasion.

Johnson's not the first person who has ventured into the past to warn us about dire events.  There was John Titor, who back in 2000 and 2001 posted on a number of online bulletin boards that he was a military guy in 2036 who had come back to warn us that there would be a nuclear war in 2004 that would cause the government of the United States to fall, which would be terrifying if it hadn't turned out to be completely wrong.  And it's not like Titor's warning caused us to do anything differently; I don't see any evidence that humanity's overall derpy behavior changed in any way following Titor's pronouncements.

Then there's Håkan Nordkvist, a Swedish guy who was fixing his sink and got transported to the year 2042, where he met himself at age 70 and "had a great time," returning with a photograph of him and himself:


I find this upsetting primarily because nothing nearly that interesting happens to me when I work on the plumbing.

Then, we have the "time-traveling hipster" who shows up in a photograph taken in British Columbia in 1941:


The gist of this one is that he's wearing a style of sunglasses that didn't exist back then, which some researchers looked into and responded, in effect, "Yes, they did."  So while his clothing is pretty casual, there's no reason to believe he wasn't from 1941, although admittedly he could be a time traveler anyhow who changed his clothes so as to fit in.  You never can tell.

In any case, I'm not inclined to worry much about this latest person to show up from the future.  For one thing, it was easy enough to check up on him and see if he actually has a past.  Which he does.  And given the fact that most of us have a significant online presence whether we want to or not, it was only a matter of time before something like this appeared:


So there is apparently nothing to worry about next year, invasion-wise.

Me, I'm a little disappointed.  The way things are going, I would welcome our Alien Overlords.  Given the news I read daily, however, I have to wonder why the aliens would want to come here, because as far as I can see, there's no particular evidence of intelligent life here on Earth anyway.

Wednesday, October 11, 2017

Course correction

I suppose you could say that everything I write here at Skeptophilia has the same overarching theme; how to tell truth from falsehood, how to recognize spurious claims, how to tell if you're being had.  But helping people to do this is an uphill struggle, and just how uphill was highlighted by a meta-analysis published last week in the Journal of the Association for Psychological Science, which had the rather dismal conclusion that we debunkers are kind of fucked no matter what we do.

Of course, being academics, they didn't state it that way.  Here's how the authors phrased it:
This meta-analysis investigated the factors underlying effective messages to counter attitudes and beliefs based on misinformation.  Because misinformation can lead to poor decisions about consequential matters and is persistent and difficult to correct, debunking it is an important scientific and public-policy goal. This meta-analysis revealed large effects for presenting misinformation, debunking, and the persistence of misinformation in the face of debunking.  Persistence was stronger and the debunking effect was weaker when audiences generated reasons in support of the initial misinformation.  A detailed debunking message correlated positively with the debunking effect.  Surprisingly, however, a detailed debunking message also correlated positively with the misinformation-persistence effect.
Put more simply, the authors, Man-pui Sally Chan, Christopher R. Jones, and Kathleen Hall Jamieson of the University of Pennsylvania, and Dolores Albarracín of the University of Illinois at Urbana-Champaign, found that when confronting misinformation, a detailed response generates some degree of correction -- but makes some people double down on their incorrect understanding.

So it's yet another verification of the backfire effect, which makes it a little hard to see how we skeptics are supposed to move forward.  And the problem becomes even worse when people have been taught to distrust sources that could potentially ameliorate the problem; I can't tell you how many times I've seen posts stating that sites like Snopes and FactCheck.org are flawed, hopelessly biased, or themselves have an agenda to pull the wool over people's eyes.

It's like I've said before: once you convince people to doubt the facts, and that everyone is lying, you can convince them of anything.

[image courtesy of photographer John Snape and the Wikimedia Commons]

"The effect of misinformation is very strong," said co-author Dolores Albarracín.  "When you present it, people buy it.  But we also asked whether we are able to correct for misinformation.  Generally, some degree of correction is possible but it’s very difficult to completely correct."

The authors weren't completely doom-and-gloom, however, and made three specific recommendations for people dedicated to skepticism and the truth.  These are:
  • Reduce arguments that support misinformation: the media needs to be more careful about inadvertently repeating or otherwise giving unwarranted credence to the misinformation itself.
  • Engage audiences in scrutiny and counterarguing of information: schools, especially, should promote skepticism and critical thinking.  It is beneficial to have the audience involved in generating counterarguments -- further supporting the general idea of "teach people how to think, not what to think."
  • Introduce new information as part of the debunking message: give evidence and details.  Even though "misinformation persistence" is strong even in the face of detailed debunking, there was a positive correlation between detailed information and correction of misapprehension.  So: don't let the backfire effect stop you from fighting misinformation.
It may be an uphill battle, but it does work, and is certainly better than the alternative, which is giving up.  As Albarracín put it: "What is successful is eliciting ways for the audience to counterargue and think of reasons why the initial information was incorrect."

I think the most frustrating part of all this for me is that there are biased media sources.  Lots of them.  Some of them (so-called "clickbait") post bullshit to drive up ad revenue; others are simply so ridiculously slanted that anything they publish should be independently verified every single time.  And because people tend to gravitate toward media that agree with what they already thought was true, sticking with sources that conform to your own biases makes it unlikely that you'll see where you're wrong (confirmation bias), and will allow you to persist in that error because you're surrounding yourself by people who are saying the same thing (the echo-chamber effect).

And that one, I don't know how to address.  It'd be nice if the fringe media would act more responsibly -- but we all know that's not going to happen any time soon.  So I'll just end with an exhortation for you to broaden the media you do read -- if you're conservative, check out the arguments on MSNBC every once in a while (and give them serious thought; don't just read, scoff, and turn away).  Same if you're a liberal; hit Fox News on occasion.  It may not change your mind, but at least it'll make it more likely that you'll discover the holes in your own thinking.

Tuesday, October 10, 2017

It takes balls

A new restaurant has opened up in the pricy Ginza neighborhood of Tokyo, and it specializes in broth and sushi made from fugu.

For those of you unfamiliar with this particular culinary item, fugu is Japanese blowfish.  If you have heard about this stuff, most likely it's because it is wildly poisonous if not prepared correctly.  Correct preparation means removing all of the poisonous parts, especially the testicles of the male blowfish, one of which could easily kill an adult.  Don't worry, the website tells us; the reviewer ate some fugu sushi in ramen broth and didn't die.  He goes on, in fact, to tell us that if risking your life to experience the "pleasant, meaty texture" of fugu once wasn't enough for you, you can also order it deep-fried, and furthermore, they sell "canned fugu," which I'm thinking is never going to replace tuna.

I doubt, for example, that when I meet some friends for lunch at our local café, that I would order a fugu melt even if it was on the menu.

[image courtesy of photographer Jarek Tuszynski and the Wikimedia Commons]

In Japan, you have to have a special license to prepare fugu.  Apparently, if you prepare it correctly, it greatly decreases the likelihood that you'll die.  The poison, tetrodotoxin, is one hundred times more poisonous than potassium cyanide.  It is a sodium channel blocker, and as a result paralyzes the muscles, including the heart and diaphragm -- all the while leaving you conscious and aware of the fact that you're dying.  It is only found in particular tissues in the fish, and all of those tissues have to be scrupulously removed in order for the fugu to be safe to eat.  You can imagine, with something that toxic, it doesn't take much of a mistake to kill you -- it's difficult to be sure you've got every last tiny scrap of the poisonous tissue.  This is why in order to serve fugu in Japan, you have to pass a rigorous licensing exam, to show that you know how to cook so as not to kill your customers.

My question is, why would you take a chance like that in any case?  I like risk as well as the next guy, but I'm perfectly happy exercising that part of my personality by skinnydipping and riding rollercoasters.  I'm not so much interested in eating the Toxic Testicles of Death.  

I wish I were making all this up.  In Japan, fugu is considered a delicacy, a word that should immediately raise your suspicion level.  In my opinion, the word "delicacy" is used only to describe food that, under normal circumstances, would never be consumed by anyone who was not participating in a fraternity initiation.  Other foods I've heard described as delicacies are hákarl (Icelandic fermented shark meat, which is described as having "a very strong ammonia-like taste") and lutefisk (a Norwegian fish product produced by soaking whitefish in lye; it is served with a mustard sauce that informed sources tell me "smells exactly like vomit").

On the other hand, in the interest of honesty, I must admit that when I was in Malaysia a couple of years ago, I tried durian, a fruit with such a strong odor that cutting one open is illegal in hotel rooms and on public transportation.  Food writer Richard Sterling describes it as having an "odor... best described as pig-shit, turpentine and onions, garnished with a gym sock."  Despite this, and probably because my sense of smell is shot after 30 years of working in a biology lab, I tried it... and thought it was delicious.  (The closest I can come to describing the taste is a cross between raspberry yogurt and almonds, but that doesn't really do it justice.)

I wouldn't come close to hákarl or lutefisk, however.  I'm an adventurous eater, a trait I've developed from years of overseas travel, but I do have my limits, and rotten fish is one of them.

Of course, even fermented shark and lye-soaked whitefish only put you in danger of tossing your cookies, or perhaps having your friends and family seriously question your sanity.  Fugu adds the frisson of possibly killing you.  It is the Russian roulette of delicacies.

Me, I don't see the appeal.  Maybe fugu tastes really great, I don't know.  The point is, so does dark chocolate, and you're not risking paralysis, coma, and death from eating it.  Still, I'm sure that people will continue to eat fugu, and people will continue to die.  In fact, in 2015 five men in Wakayama were poisoned when they specifically asked to eat fugu liver, which is one of the toxic bits.  The restaurant was closed, although it seems like this is more a case for a Darwin Award than it is for a citation against the chef.

So if I ever get to visit Japan, which I very much hope I will, I'm not going to try Death Sushi.  I don't really need a boost to my machismo that badly.  I'll stick with dark chocolate, or if I'm ever in Southeast Asia again, pig-shit gym-sock fruit, which really was pretty tasty.

Monday, October 9, 2017

Patchwork

We've had psychic vampire repellent.  We've had people selling "raw water."  We've even had jade eggs that women are, for some reason, supposed to insert into their vaginas.

So the whole alt-med community has really been working overtime lately.  Which is why I shouldn't have been surprised when a loyal reader sent me a link to something called "Amino Neuro Frequency Patches."

I know how you feel, dude.  [image courtesy of photographer Alex E. Proimos and the Wikimedia Commons]

What are "Amino Neuro Frequency Patches," you might ask?  I know I did.  Here's what the website says:
ANF is a revolutionary holistic approach to pain and inflammation.  Practitioners examine the body following the nerve paths and focus on finding the root cause of the patient’s problem.  They apply ANF discs to the skin to reduce pain, remove inflammation and prevent it from spreading via the nervous and lymphatic systems.  They use the discs in conjunction with manual therapy.
I'm guessing the "manual therapy" they're referring to is writing out a check to pay for the discs, and the course you're supposed to take before you're allowed to use them.  (No, I'm not kidding; you actually have to sign up for an online course before they'll send you your patches.)

So how could this possibly work?  The website explains that, too:
It uses a combination of frequency emitting wearable devices, the ANF Discs.  Each disc is applied directly on the skin and activated by the body heat.  They transmit a unique range of frequencies through the neurons in the body.  The nervous system picks up these frequencies, starting a self-healing and self-regulating process.  By improving the nervous system signaling directly at the cellular level, the effect of the treatment is much faster and has remarkable durable results.  The ANF Therapy does not require the use of any drugs or chemicals...  The connection from the patch to the body is made through the nervous system and the seven layers of bio energy the body naturally produces, the patch providing the signal to promote cellular communication to reduce stress and anxiety while restoring imbalances, as an example.
Okay, first, let's get something clear.

Frequency isn't some kind of hand-waving, Cosmic Connection To The Quantum Energy Field concept.  (Now that I think of it, neither are "quantum," "energy," and "field.")  Frequency means the number of times something oscillates in a given amount of time.  It's measured in units called hertz, which is an oscillation per second.

So a kid on a swing has a frequency.  A guitar string has a frequency.  Light has a frequency.

Your intestines do not have a frequency, unless something is making them vibrate, which sounds painful.

Of course, that hasn't stopped people from claiming that they do.  Here's a concise list of some alleged frequencies of different things:
Genius Brain Frequency 80-82 MHz
Brain Frequency Range 72-90 MHz
Normal Brain Frequency 72 MHz
Human Body 62-78 MHz
Human Body: from Neck up 72-78 MHz
Human Body: from Neck down 60-68 MHz
Thyroid and Parathyroid glands are 62-68 MHz
Thymus Gland is 65-68 MHz
Heart is 67-70 MHz
Lungs are 58-65 MHz
Liver is 55-60 MHz
Pancreas is 60-80 MHz
Colds and Flu start at: 57-60 MHz
Disease starts at: 58 MHz
Candida overgrowth starts at: 55 MHz
Receptive to Epstein Barr at: 52 MHz
Receptive to Cancer at: 42 MHz
Death begins at: 25 MHz
Fresh Foods 20-27 Hz
Fresh Herbs 20-27 Hz
Dried Foods 15-22 Hz
Dried Herbs 15-22 Hz
Processed/Canned Food 0 Hz
The amusing thing about this is the implication that the faster something vibrates, the better it is.  If you think that's true, I propose an experiment: I'll sit for an hour listening to someone play the cello, and you sit for an hour listening to someone play the piccolo, and we'll see which one of us has a headache afterwards.

And I have to admit that I burst out laughing when I saw that a can of asparagus doesn't vibrate at all.  How this is supposed to translate into "bad for you," I don't know, although I will agree to the extent that canned asparagus is one of the most disgusting things the human race has ever created.

So once again, we have some completely unscientific horseshit being passed off as serious medical advice.  My recommendation: don't trust anyone whose knowledge of actual scientific terms convinces you that they failed high school physics.  Good rule of thumb, that.

Saturday, October 7, 2017

Voodoo in the brain

I'm sure you've heard about the placebo effect, but have you heard of the nocebo effect?

If you know a little Latin, you can guess what it means.  Placebo is Latin for "I will please;" nocebo for "I will harm."  The nocebo effect occurs when you expect something to cause you unpleasant symptoms, and even though what you've consumed is harmless, you experience the symptoms anyhow.

We've known about the nocebo effect for some time.  It gained prominence due to investigations of "voodoo curses," where someone was cursed through a voodoo ritual, and lo and behold, the cursed individual sickens and dies.  Skeptical researchers don't credit this with voodoo actually working; they have come to realize that when a person thinks they're going to become ill, perhaps even die, the expected outcome manifests in the body.

[image courtesy of photographer Marie-Lan Nguyen and the Wikimedia Commons]

A recent study gives us an even better lens into the nocebo effect, and how the brain influences health.  Any medical researcher will tell you that people in clinical trials of medications will often stop taking the pills they were given, usually citing unacceptable side effects.  What is less well known is that a substantial fraction of the people who end up dropping out of the trial actually were receiving an inert substance.

So the control group, in other words.  They were taking a sugar pill, but because they expected to have side effects from the medication, they went ahead and had side effects anyhow.

The most recent study, which was published in Science last week, was the work of four researchers at the University Medical Center of Hamburg, the University of Colorado, and Cambridge University, and had the unwieldy title, "Interactions Between Brain and Spinal cord Mediate Value Effects in Nocebo Hyperalgesia," and it had a fascinating result:

People in the control group of pharmaceutical clinical trials are more likely to have spurious unpleasant side effects if they're told the medication is expensive than if they're told it's cheap.

Furthermore, they have pinpointed the areas in the brain that are responsible for the foul-up.  The authors write:
Value information about a drug, such as the price tag, can strongly affect its therapeutic effect.  We discovered that value information influences adverse treatment outcomes in humans even in the absence of an active substance.  Labeling an inert treatment as expensive medication led to stronger nocebo hyperalgesia [negative side effects] than labeling it as cheap medication.  This effect was mediated by neural interactions between cortex, brainstem, and spinal cord.  In particular, activity in the prefrontal cortex mediated the effect of value on nocebo hyperalgesia.  Value furthermore modulated coupling between prefrontal areas, brainstem, and spinal cord, which might represent a flexible mechanism through which higher-cognitive representations, such as value, can modulate early pain processing.
Which is kind of amazing.  People who experience unexpected side effects are often labeled as hypochondriacs -- i.e., that they know perfectly well they feel fine, and are making up or exaggerating their symptoms out of fear or a desire for attention.  What's really happening appears to be far subtler.  Because of an expectation of harm, the brain actually manifests the symptoms the person feels they're likely to have.  Labeling the medication as expensive increases the subject's sense of having put something unusual into their bodies, resulting in more anxiety and worse side effects.

For me, the most interesting thing about this is the interaction of the brainstem and spinal cord, two parts of the central nervous system that are usually regarded as controlling completely involuntary responses, with the prefrontal cortex, often considered the most advanced part of the human brain -- the part that is associated with reasoning, decision making, and logic.  The fact that a freakout (to use the scientific terminology) in the prefrontal cortex activates a response in the brainstem is astonishing -- and also explains why people who experience the nocebo effect can manifest actual measurable medical symptoms.

And why some of them die.

All of which brings home once again how incredibly complex the brain is.  We're living at an exciting time -- the point where we're finally beginning to understand the thing in our heads that artificial intelligence pioneer Marvin Minsky called a "three-pound meat machine."  And, apparently, how easy it is for the machine to get fooled.  Kind of humbling, that.

Friday, October 6, 2017

The girl who loves bugs

After this week, I think we all need something to cheer us up, so today I'm going to tell you about: an eight-year old girl whose passion for entomology led her to co-author an academic paper in the Annals of the Entomological Society of America.

Sophia Spencer, who is from Ontario, worked with Morgan Jackson, who curates the insect collection at the University of Guelph, to write the paper.  The topic is a fascinating one; how to use social media to make science more accessible and understandable to the public.  The entirely appropriate outcome: the hashtag #BugsR4Girls trended on Twitter.

[image courtesy of the Wikimedia Commons]

The whole thing started when Sophia's mother became concerned that teasing from the other kids in elementary school would discourage her from her love for bugs.  So Sophia's mom wrote the following, to the entomological department at the University of Guelph:


The result?  The Entomological Society of Canada got wind of this, and put out a tweet that said, "A young girl who loves insects is being bullied & needs our support.  DM your email & we'll connect you!  #BugsR4Girls."

The response was immediate and overwhelming.  Sophia got tons of support from scientists, and ultimately got into a conversation with Morgan Jackson.  Together they came up with the idea of authoring a paper on the topic of how to use social media in the interests of science -- so that other children who love scientific pursuits won't have to put up with what Sophia did.  She writes:
It felt good to have so many people support me, and it was cool to see other girls and grown-ups studying bugs.  It made me feel like I could do it too, and I definitely, definitely, definitely want to study bugs when I grow up, probably grasshoppers… If somebody said bugs weren’t for girls, I would be really mad at them…  I think anything can be for anybody, including bugs.
To which I can only say: amen.

The happiest conclusion of all this is that Sophia's bullying problems at school have all but evaporated.  When her peers saw the response she got -- not to mention the amazing honor of being a co-author of an academic paper at age eight, which has to be a record -- all of a sudden, Sophia said, she's become "cool."  The kids who teased her for loving bugs now line up to take a look in her microscope and ask her to identify weird and interesting insect life they come across.

All of which supports a contention I have had for years; one of the best ways to find happiness is to discover a true passion, something that you love to do or to learn with no particular thought of utility.  I know my two obsessions -- music and running -- have pulled me up many times after bad days at work, or just general glumness.  Kudos to Sophia for persisting in the pursuit of hers -- and to Morgan Jackson, and the other scientists who responded, for making sure that a girl who loves bugs has an opportunity to fly.