Of course it is the brain.
when two people listen to the same stereo system, and one thinks it sounds wonderful, but the other disagrees, what other explanation is there.
in addition, the placebo effect is alive and well, and some people are more suggestible than others.
you could change the phrase "it's all in the head" to "it's all psychological".
when two people listen to the same stereo system, and one thinks it sounds wonderful, but the other disagrees, what other explanation is there.
in addition, the placebo effect is alive and well, and some people are more suggestible than others.
you could change the phrase "it's all in the head" to "it's all psychological".