Some placebo effects occur because of:
A) mistrust of science
B) mistrust of medicine
C) powerful correlations
D) natural painkillers released by the brain

Question

Quizplus · Accepted Answer

Placebo effects can occur due to the release of natural painkillers (endorphins) by the brain in response to the belief that a treatment will be effective, even if the treatment itself has no therapeutic effect.

Some Placebo Effects Occur Because Of