Placebo effect can be triggered by subliminal cues

Could a placebo work even if you're not consciously aware of it? Scientists have always believed that placebo effects rely on your conscious expectations of what a pill or therapy is supposed to accomplish. But a new study suggests that your unconscious mind can play a key role in triggering a placebo effect. » 9/11/12 11:00am 9/11/12 11:00am