Some people might be more prone to placebo and nocebo responses than others depending on their personality traits.. After screening 407 references, we identified 24 studies. The Big Five (i.e., neuroticism, extraversion, openness to experience, agreeableness and conscientiousness) and optimism were the most frequently investigated personality traits. Several studies found a positive association between optimism… Continue reading The influence of #personality traits on the #placebo/nocebo response: A systematic review