I rather like today's xkcd cartoon...even though they understate homeopathic dilutions...[caption id="" align="alignnone" width="271" caption="Dilution"][/caption]

It's reported that the British Chiropractic Association have admitted defeat in their ill-fated and stupid attempt to silence criticism (Ely Place - News).  I wonder where this leaves Simon Singh who, as I understand it, is a couple of hundred thousand pounds out of pocket for defending himself against a libel action that should never have been brought.  Can the BCA get off the hook as easily as that?UPDATE:  The original article is back on the Grauniad website.  The BCA have commented with a press release.

A new site promoting a rational attitude to homeopathy has gone live (Homeopathy: There's nothing in it | The 10:23 Campaign | #ten23). The focus appears to be

The 10:23 campaign aims to raise awareness of the reality of homeopathy - how it can be proven not to work, how it can be shown to be impossible, and why it's important to give patients the right information to allow them to make an informed decision on their healthcare.

The site features an open letter to Boots (probably the biggest UK high street pharmacist), who persist in selling homeopathic "remedies" despite knowing these "remedies" contain no active ingredients (I'm not even taking into consideration whether or not the starting ingredient has any activity).  This was clearly stated at a recent Commons Science and Technology Committee enquiry (see Ben Goldacre's Bad Science blog, for example).

I imagine the site's name reflects Avogadro's Number (now known as the Avogadro constant) - 6.022 x 10²³ mol^-1.  What's less clear to me is why there appears to be a countdown timer on the site's front page!  See also the
In unrelated news (other than the general topic of homeopathy) David Colquhoun has reported on the content of the University of Central Lancashire's now discontinued Homoepathy course at his blog (What actually gets taught on a homeopathy course: part 1).

This just in from the "foot in mouth" department.

The British Chiropractic Association has written a press release, or rather two in quick succession following yesterday's ruling that Simon Singh has leave to appeal against the BCA's libel case.

Here's a physics lesson from a homeopath. I can't wait to pass this by my colleagues in the Physics Department.

Apparently this is subject to a takedown notice. Make a copy for posterity... Hat tip - PZ Myers

This looks to be good.  As legal blogger Jack of Kent writes today (Libel Reform: Free Speech is not for Sale), two pressure groups, English Pen and Index on Censorship, have conducted a joint inquiry into English libel law - their report is now available on a new website:

The Libel Reform Campaign

News is spreading across the blogosphere that Simon Singh has been granted leave to appeal in the libel case brought by the British Chiropractic Association. Rather that repeat what's being said, I'll merely refer to one of those blogs: Dr Aust's Spleen: Stop Press – Simon Singh granted leave to appeal where updates have been added through the day.  One choice quote:

Mr Justice Laws described Eady's judgement, centred on Singh's use of the word "bogus" in an article published by the Guardian newspaper, as "legally erroneous".

I caught this excellent sketch on this week's That Mitchell & Webb Look (BBC2).

[video:http://www.youtube.com/watch?v=HMGIbOGu8q0 580x360]

Ben Goldacre has published the "missing chapter" from his excellent book Bad Science on his BadScience blog (Matthias Rath - steal this chapter).  He was unable to include it in the book because Rath mounted a legal action against Goldacre and The Guardian.  Thankfully Rath lost, and the truth can be told.  And it's appalling.

Goldacre's published this chapter under a Creative Commons licence.

Ben Goldacre's posted an update on the fracas with LBC and Jeni Barnett over their ill-advised broadcast on the topic of the MMR vaccine and autism.  In essence, while LBC's decision to threaten their legal muscle did cause Goldacre to pull the audio clip from his blog, it's now got spread over the internet, has attracted considerable celeb support, and now is the subject of an early-day motion.  Barnett's own efforts at damage-limitation appear to be restricted to deleting critical comments from her blog.  Thankfully, the power of the internet has ensured the information is still out there, and is proliferating.

Ben Goldacre's latest article very clearly explains why this is such an important issue, and why under-informed dimwits shouldn't make irresponsible broadcasts.  Perhaps LBC should keepa closer eye (or should that be "ear") on their broadcasters.

While wandering round the internet during the recent flare-up of bloggers writing about recent developments in the MMR-autism conspiracy theory, I came across this neat graphic which seems to me to encapsulate some of the issues relation to causation vs coincidence (for example, see "MMR and false syllogisms" for more information).

In the meantime, Ben Goldacre's Bad Science blog seems down - maybe the recent upsurge in traffic has overwhelmed it.

The Chairperson of the Complementary and Natural Healthcare Council has announced an alternative therapy 'crackdown', according to the BBC news. How interesting:

It will not judge clinics on whether therapies are effective, but rather on whether they operate a professional and safe business.

 While browsing through Biogerontology looking for the citation details of one of my publications (which appears to still be available only online), I came across this review, which kind of stands out because of its subject matter.  And any paper with two citations from 300AD and 1300AD has to be looked at!

At the outset, I should say that I know next to nothing about Ayurveda, and that I am unwilling to take claims of efficacy of Complementary and Alternative Medicine (CAM) that lack a serious evidence-base seriously. (I regard Ayurveda as a CAM, as it most certainly is that from a western perspective).  This paper is a brief review article that I suppose has been peer-reviewed, and seeks to review the impact of the therapy on brain ageing.  Does it convince me?

There's an interesting news article in Science, entitled Last Stand for the Body Snatcher of the Himalayas?, concerning a fungus with quite unusual habits.  The full citation can be found at the end of this article.

Cordyceps sinensis is a pretty strange fungus - it infects ghost moth caterpillars, and in doing so alters their behaviour such that when they hibernate for the winter, they orient themselves on end and near to the surface.  Over the winter, the fungus consumes the caterpillar and eventually pushes a fruiting body above ground.  In the picture below, you can see remnants of the caterpillar, from which the brown 'mushroom' protrudes (picture from wikipedia).

I came across a link to Excrementum Can. (canine faeces) in a comment left at the excellent quackometer site.  Helios Homeopathy do indeed sell Excrementum Can. at a variety of extreme dilutions (can't be much fun doing those preparations, at least for the early dilutions).  Dilutions offered are 6C - 10M, but while I know that 6C is six 100 fold dilutions, what's 10M?  Is that ten 1000 fold dilutions? [Edit: at this site, it is revealed that 1M = 1000C.  This reaches the heights of absurdity.  10M must therefore be 10000C, or 10000 successive 100-fold dilutions! I am losing track of this level of dilution - perhaps someone less mathmatically challenged that I am first thing in the morning can calculate this...do they really mean 10^-20000?]

More about this quack stuff at provings.info, but it's not terribly obvious what it's supposed to do.  The onward link is in German, with registration required, so I didn't go there.

Ben Goldacre will be familiar to Guardian readers and those (like me) who regularly check up his Bad Science blog.  This book shares much of the subject matter Goldacre covers in his blog: bad science journalism, dodgy medical research, quack medicine and the like.  Goldacre really considers bad science as it applies to medicine and medical research.

Since I've not finished this book yet, this is not so much a review as a heads-up that it's out, available from Amazon (click the image), and that from the chapters I've read, it's a very readable counterblast to dodgy science.  Chapters cover topics such as dodgy health "experts" such as Gillian McKeith and Patrick Holford; media and MMR (and other health scares); CAM "treatments", and much more.

Over at the Quackometer blog, a report that a quack's legal action against the Guardian over an article by Ben Goldacre has failed.  Goldacre himself writes about it in the Bad Science blog (and presumably in today's Guardian).

This libel action has cost the quack, Matthias Rath, £500k for the Guardian's legal bills, and probably the same again for his own costs.  Whether it will silence him and his business, I don't know.

The Quackometer and Holfordwatch blogs report that the British Chiropractic Association, presumably fired by their New Zealand colleagues' attempts to silence scientific opinion, have filed a suit against Simon Singh following an article originally published in the Guardian (but now unavailable).  Hopefully this will engender a major Streisand effect, and I fully expect the case to fail.

See also the news report in the Telegraph (I notice the Telegraph journalists refer to the chiropractors as "Doctors" and doubt this is justified).

Trick or Treatment?: Alternative Medicine on Trial by Simon Singh & Edzard Ernst, published 2008, Bantam press.

One of the explanations frequently cited as to why an otherwise intelligent individual espouses one or other of the many CAM therapies out there is that it is an old and trusted traditional remedy or therapy, and must in some quasi-bonkers reasoning work in some way that is as yet unknown to modern science. The excellent Quackometer blog site has a couple of postings that, by and large, put the lie to this curious notion. In the first, concerning Hopi ear-candling, it seems that the technique is a recent innovation, and the links to the poor old Hopi are spurious to say the least. A follow up blog entry, The Age of Quackery, describes the origins of Reiki, Reflexology, QiGong, Applied Kinesiology, Bach Flower Remedies, Aromatherapy, Homeopathy, Osteopathy and Chiropractic, and Acupuncture.

The best quote here has to be from the originator of Osteopathy, who said he could "shake a child and stop scarlet fever, croup, diphtheria, and cure whooping cough in three days by a wring of its neck". As the Quackometer says, this could have been a line from The Simpsons.