"It’s unthinkable to give a placebo to someone to treat their cancer, but could we use one to treat chemotherapy’s well-known side effects? Unfortunately, we may never be able to answer this question because the biggest obstacle to finding out whether it would work is emotional rather than scientific."
Nial Wheate, Senior Lecturer in Pharmaceutical Chemistry and Betty Chaar, Senior Lecturer, both of the University of Sydney, explore the ethics of placebos, in particular with regard to their use in treating chemotherapy induced nausea in this linked article:
theconversation.com/why-pla...
Neil
Photo: Common Fringe Myrtle flowering in the Australian scrub