Tag Archives: Acupuncture

Another Study that Doesn’t Show How Acupuncture Works

steven_novellaby via NeuroLogica Blog

The pattern is now quite familiar – a study looking at some physiological outcome while rats or mice are being jabbed with needles is breathlessly presented as, “finally we know how acupuncture works.” As is always the case, a closer look reveals that the study shows nothing of the sort.
electroacupuncture-ratThe current study making the rounds is, “Effects of Acupuncture, RU-486 on the Hypothalamic-Pituitary-Adrenal Axis in Chronically Stressed Adult Male Rats.” We are told that acupuncture has the same effect as pain medication, but honestly I don’t see that anywhere in the study.
The study presents two experiments with rats in which there is a control group, a stress group, stress plus acupuncture, and stress plus sham acupuncture. The first thing to notice is that the rats were not actually getting acupuncture. They were getting the fiction known as “electroacupuncture.” Electroacupuncture is not a real thing – it’s just electrical stimulation through a needle which is called an acupuncture needle.
The authors claim that their results show that electroacupuncture (EA) at the St36 acupuncture point (which is behind the leg), but not sham EA on the back blunt the stress response as measured by cortisol levels, ACTH, and stress behavior in the rats.
acupuncture 835_225pxJust looking at the data itself, separate from the context of acupuncture, there are a few things to notice. The first is that the study is very small, with (in the first experiment) 7 rats in the control and stress groups, and 14 rats in the EA and sham EA groups. That’s not a lot of data points. There is no mention of blinding anywhere in the study. Unless everyone involved in those aspects of the study measuring outcomes were effectively blinded, I see no reason to take the results seriously.
Further, the results are completely unimpressive. The differences are slight. The researchers also pull a common statistical trick. They say, for example, that the difference between control and EA was statistically significant, while the difference between control and sham EA was not. However, they don’t tell us whether or not the difference between EA and sham EA was significant (and by looking at the data I would guess not).
acupucture_chinese_medicine_300pxIt is therefore not valid to conclude that there is a difference between EA and sham EA. This is a common statistical “mistake” researchers make, probably having something to do with the fact that it makes negative data look positive.
It is possible that this study tells us nothing at all. Given the small number of rats in the study, no documentation about blinding, and the unimpressive results, just a touch of researcher bias (exploiting those researcher degrees of freedom) is all that is necessary to get the graphs to look good enough to publish.
Therefore, regardless of the subject matter, these are preliminary results at best, and unimpressive preliminary results at that.
If we put these results into the context of acupuncture, we then have the equivalent of Bem’s psi research – unimpressive results used to support a massive claim.
Let’s be clear – acupuncture points are a complete fiction.

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Is acupuncture really ancient Chinese medicine? Does it work? Is it safe?

Craig Good Skeptoid 02_90pxby Craig Good via skeptoid
Read podcast transcript below or listen here

This ancient Chinese medical tradition stretches back over 3,000 years, the wisdom of the ancients producing medically valid results even today. As in antiquity, slender needles are inserted at precise meridian points on the body and manipulated by a skilled practitioner. acupucture_chinese_medicine_300pxEach acupuncture point relates to a specific organ or function in the body, and the practice manipulates the body’s energy, or qi to manage pain and treat a host of conditions including allergies, asthma, headaches, sciatica, insomnia, depression, high blood pressure, fibromyalgia, constipation, and even sexual dysfunction. Acupuncture is, in short, a venerable medical miracle.

Or is it? Let’s cast a skeptical eye at one of the most popular “alternative” medical modalities in the modern world.

Exactly how ancient is acupuncture? Not nearly as ancient as you may think. The first clue is right there in the hands of the acupuncturist: Those slender, flexible, stainless steel needles. The technology to make them didn’t even exist until about 400 years ago.

There are even more historical clues. The Chinese have long kept detailed records. When we examine them we do, indeed, find references to a practice called needling, but the earliest dates to about 90 BCE. The needles from that era were large, and the practice of needling refers to bloodletting and the lancing of abscesses, a treatment nothing like today’s acupuncture. Earlier Chinese medical texts, some reaching back to the 3rd century BCE, never even mention it. There’s no evidence at all that acupuncture is anywhere near 3,000 years old.

No matter. At least acupuncture is Chinese, right? Maybe not.

Chinese scholar Paul Unschuld thinks that the practice may have started in ancient Greece, with Hippocrates of Cos, and later spread to China. A fundamental feature of acupuncture, namely the special meridian points where the needles must be placed, can be traced to the medieval Islamic and European ideas of astrology mapped onto the body. This rather obvious link led researcher Ben Kavoussi to call acupuncture “Astrology with needles” He writes:

…for most of China’s long medical history, needling, bloodletting and cautery were largely practiced by itinerant and illiterate folk-healers, and frowned upon by the learned physicians who favored the use of pharmacopoeia.

funny_medical_acupuncture_poster-rd59e5d04896c4a0a8f114cb47de682b6_wvk_8byvr_512_250pxAccounts of Chinese medicine first reach Europe in the 13th century. None of them even mentioned acupuncture. Wilhelm Ten Rhijn, writing in 1680, was the first Westerner to reference acupuncture. But what he described bears little resemblance to the acupuncture of today. There was no mention of qi, which is sometimes translated as chi, or any specific points. He spoke of large gold needles that were implanted deep into the skull or womb and left in place for 30 respirations.

The first American acupuncture trials were in 1826, when it was seen as a possible method of resuscitating drowning victims. As Dr. Harriet Hall describes it, “They couldn’t get it to work and ‘gave up in disgust.’ I imagine sticking needles in soggy dead bodies was pretty disgusting.”

Even through the early part of the 20th century nobody spoke of qi or meridians. Practitioners merely inserted needles near the point of pain. In fact, qi used to refer to the vapor arising from food, and the meridians were called channels or vessels, which is part of acupuncture’s link to medieval astrology and vitalism.

So just when and where did meridians enter the picture, and qi finally become some kind of energy?

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Chiropractic manipulation of neck may cause stroke

Via Skeptical Raptor’s Blog

chiropractor 733_cropped_275pxI usually don’t dwell too much on chiropractic, because so many other bloggers mock them so well. Chiropractors are generally antivaccination, they practice junk medicine in areas in which they are not trained, and they are essentially quacks utilizing some mystical alternative medicine, taking money from people who think they’re getting real medical treatment.

Basically, chiropractic is the belief in the “vertebral subluxation processes” that purportedly can be used to treat and cure a vast range of diseases which have no scientifically verified connection to vertebral anatomy. It’s based on the same general type of pseudoscientific mysticism that one finds with acupuncture.

Of course, modern chiropractic has tried to divorce itself from the vertebral subluxation, and attempted to evolve into the slightly more mainstream chiropractic treatment technique that involves chiropractic 732_cropped_250pxmanual therapy, including manipulation of the spine, other joints, and soft tissues. Chiropractic treatment also includes exercises and health and lifestyle counseling. Barely anything more than a good masseuse would provide to an individual.

Despite this evolution of chiropractic to the point that some health insurance companies actually pay for the procedures, chiropractic is a typical pseudoscience–make outlandish claims, minimize or ignore the risks, and make money off of those who think, or want to believe, that it works.

It’s appalling that some people, many who think that vaccines are dangerous (they’re not), believe that a chiropractor, who has very little real medical training, should manipulate the neck of a baby to treat some imaginary, or even real, condition. It boggles the mind.

So, what does real science say about chiropractic?

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BBC Fail on Acupuncture Documentary

steven_novellaby via BBC Fail on Acupuncture Documentary

Alternative Medicine’s best friend, and in my opinion largely responsible for what popularity it has, is a gullible media. I had thought we were turning a corner, and the press were over the gushing maximally clueless approach to CAM, and were starting to at least ask some probing questions (like, you know, does it actually work), but a 2006 BBC documentary inspires a more pessimistic view.

acupucture_chinese_medicine_300pxThe documentary is part of a BBC series hosted by Kathy Sykes: Alternative Medicine, The Evidence. This episode is on acupuncture. The episode is from 2006, but was just posted on YouTube as a “2014 documentary.” Unfortunately, old news frequently has a second life on social media.

First, let me point out that Sykes is a scientist (a fact she quickly points out). She is a physicist, which means that she has the credibility of being able to say she is a scientist but has absolutely no medical training. It’s the worst case scenario – she brings the credibility of being a scientist, and probably thinks that her background prepares her to make her own judgments about the evidence, and yet clearly should have relied more on real experts.
She does interview Edzard Ernst in the documentary, but he mainly just says generic statements about science, rather than a thorough analysis of specific claims. I wonder what gems from him were left on the cutting room floor.

The documentary does get better in the second half, as she starts to mention things like placebo effects, and the problems with the evidence-base for acupuncture. But she follows a disappointing format – setting up a scientific premise, then focusing on the positive evidence. There is a clear narrative throughout, that acupuncture is amazing and surprising.

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Acupuncture & What They Don’t Teach in Medical School

Via Skepdic.com

Another improperly done and ineptly reported acupuncture study has appeared. Julie Medew is the health editor for The Age, an Australian newspaper with an online presence. She authored an article yesterday with the headline:

Acupuncture as effective as drugs in treating pain, trial shows

acupucture_chinese_medicine_300pxThe headline is accurate but falsely implies that acupuncture was effective, which most people will probably take to mean that acupuncture, by some as yet undiscovered means, really relieves pain. Many people will also jump to the conclusion that this is a good thing because drugs have side effects and acupuncture doesn’t. Is that true? It’s not obviously true or intuitively true. We need evidence before we should accept such a claim. Many people will also jump to the conclusion that this is a good thing because acupuncture is cheaper than pain pills. Is that true? If it is, it is not obviously true or intuitively true. Where’s the evidence?

Anyway, the study was done by the Royal Melbourne Institute of Technology’s [RMIT] school of health sciences in conjunction with emergency physicians at four hospitals. I’d never heard of RMIT until yesterday. The website says it is a university and the health sciences webpage says:

The School of Health Sciences engages in teaching and research in Complementary Medicine, Nursing and Midwifery, and Psychology.

We recognise that many of the greatest advances in Science are made at the intersections of disciplines. With our strong interdisciplinary approach we have set our sights on establishing an evidence base for the quality, safety and effectiveness of interventions for the ageing population and those with chronic diseases. Our research findings inform clinical teaching and advance the treatment of patients.

acupuncture 835_225pxOne can only hope that the quality of research in other areas investigated by this institution is superior to that reported on by Ms. Medew. According to her, the “randomised controlled study of about 550 patients” gave acupuncture to some and a”strong oral analgesia, such as Endone, Panadeine Forte, Voltaren and Valium” to others. Medew reports that Dr Michael Ben-Meir “said it showed acupuncture offered the same level of pain relief as analgesic drugs when patients rated their pain one hour after treatment.” You read that right. The conclusion that acupuncture is as effective as pain pills was based on asking the patients about their pain level one hour after treatment. Was there a group of patients in the study who were give a dummy pain pill or fake acupuncture? No, but there was a group given both acupuncture and a pain pill. Guess what? After one hour, their reported pain level didn’t differ from those given only acupuncture or only a pain pill.

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