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Vicarious placebo effect

AN EMAIL from Andrew Rankine raises concerns about Dr Frank’s Pet Pain Spray, a homeopathic treatment for cats and dogs suffering from arthritis. It set us ferreting around, and we soon found a on James Randi’s quack-busting website. Here we came across a notion that hadn’t previously occurred to us, despite it being so obvious. Perhaps homeopathic treatments for animals are said to “work” not because the animals report feeling better – how could they? – but because their owners and the homeopaths who treat them report that they are better. It’s the placebo effect again, but the effect is vicarious, working on the owners and homeopathic veterinarians, not the animals.

By way of an anecdotal example, a link on the Randi site takes us to a on the website of the wonderfully named . Here “a veterinary surgeon from East Sussex” reports on a client who brought in a dog with a skin problem, but who refused to allow the vet to do the requisite tests. Instead, he announced he was “off to see the local homeopath”. A couple of months later he returned with the dog, saying: “I just wanted to let you see what a brilliant job the homeopath did when you were completely useless.”

The vet comments: “What could I say? The dog stood there, to my eyes actually slightly worse than it had been on the day I’d last seen it. Frankly, it looked just awful. But in the owner’s eyes there had been a massive improvement. I think this is how homoeopathy ‘works’ in quite a lot of cases. Somebody wants to believe the animal is better, so it is better.”

There is, however, a further possibility which is raised by one of the contributors to the Randi discussion. If the owner is happy because they believe a homeopathic treatment has made their dog better, then perhaps their happiness will make the dog feel happier too – and as the vicarious placebo effects bounce back and forth, perhaps all this happiness will assist the dog’s recovery from the condition it is being treated for. So perhaps homeopathy for pets can sometimes “work” after all.

Has CERN gotta horse?

HERE is a Large Hadron Collider story that slipped though our files at the time of the collider’s activation at CERN last month but has surfaced again. Marylin Ennis tells us she was inspired by an old 51¶ŻÂț story about people placing bets on whether the LHC would find the Higgs boson when it went into operation (New51¶ŻÂț.com news service, 26 August 2004). She phoned Ladbrokes betting office in Belfast, UK, and asked, “Do you take unusual bets?”

“Yes, love, what is it?”

“There is a big experiment going to take place soon in Switzerland and I want to place a bet on the Higgs boson being found at the LHC at CERN.”

“A what?”

“Oh dear, its hard to explain.”

“Is it a horse?”

“No it’s a particle. It’s really small.”

“Love, I don’t know what you’re talking about, you need to phone head office in London.”

Sadly, after three days of Marylin’s enquiries, Ladbrokes declined to take the bet. But she says there is now a hot tip circulating in Belfast for Higgs Boson running in the 3.30 at Cern.

Large Hadron Collider cake

STILL on the LHC, Deborah Sutcliffe of the Artemisia research group has sent us a photo of a Large Hadron Collider cake (see photo, right). She baked it on the understanding that if people and cakes were still in existence in the evening of the day the LHC was switched on, she and her colleagues would eat it. In the event, all was well and they had cake for dinner.

The photo of the cake shows that it was decorated with what look to us like marzipan balls but which Deborah assures us are protons. “The thing among the protons,” she says of what we thought was a small kitsch model of a deer, “is, of course, a Higgs boson.”

“On the side of Chris Hope’s bottle of Hook Norton Haymaker Pale Ale it says: “Where progress is measured in pints – Volume 500 ml””

You can see the photo of the cake by enlarging the image, above right.

Splitting universe

LAST on this topic, Philip Welsby writes to tell us that no one noticed that the universe branched in two when the LHC went into operation on 10 September. Luckily, he says, “we were in the universe that continued” rather than in the one that got swallowed up by a black hole.

Fingers crossed

FINALLY, something completely different: Krys Modrzewski tells us that on a recent trip to India he came across the Touchwood Aviation Academy in Raipur, Chattisgarh. He checked on the internet and so did we – and, yes, it is real, and they do train pilots there, no doubt always hoping for the best.