T-Rex: Did you know that the placebo effect works even if the patient is told it's a placebo?
T-Rex: The main problem is that bacteria are developing placebo resistance due to over-prescription.
Utahraptor: So we need to develop new types of placebo?
Utahraptor: I just realised placebos have so many practical uses!
T-Rex: This comic uses placebo humour!
The author writes:
This comic was trialled in a double blind experiment in which half the participants were given a placebo comic. It was shown at the 95% confidence level that 50% of readers laughed just as hard at this comic as the placebo.
 "Placebos can work even when you know they're fakes", New Scientist, 23 Dec 2010. "Placebos without Deception: A Randomized Controlled Trial in Irritable Bowel Syndrome"; Ted J. Kaptchuk , Elizabeth Friedlander, John M. Kelley, M. Norma Sanchez, Efi Kokkotou, Joyce P. Singer, Magda Kowalczykowski, Franklin G. Miller, Irving Kirsch, Anthony J. Lembo; PLOS One; 22 Dec 2010.