There’s a great video on Geary Behavioural Economics Blog whic offers some startling facts about placebos, including how colour, shape, size and volume can drastically alter their effect.

[youtube]http://www.youtube.com/watch?v=yfRVCaA5o18[/youtube]

Then 25 lttrs n th alphbt asks readers to

“substitute in your mind “brand” for “placebo”

The brain eh? Weird.