Is the placebo effect in your genes?

The placebo response may be influenced by genetic variations in brain signalling pathways say researchers who suggest ‘no-treatment controls’ be added to future clinical trials. Writing in Trends in Molecular Medicine┬áKathyrn Hall and colleagues from Beth Israel Deaconess Medical Center in Boston said previous research had shown that the dopamine, opioid, endocannabinoid, and serotonin pathways ...

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