Placebo and Nocebo Effects Placebo and nocebo effects (effects of patients' positive and
negative expectations) are powerful and pervasive in clinical practice. Neurobiologic …

Despite its initial treatment as a nuisance variable, the placebo effect is now recognized as a
powerful determinant of health across many different diseases and encounters. This is in …

Placebo effects are often considered the effects of an “inert substance,” but that
characterization is misleading. In a broad sense, placebo effects are improvements in …

Caffeine use is widespread in sport, with a strong evidence base demonstrating its
ergogenic effect. Based on existing research, current guidelines recommend ingestion of 3 …

Placebo response in the clinical trial setting is poorly understood and alleged to be driven by
statistical confounds, and its biological underpinnings are questioned. Here we identified …

Open-label placebos (OLP)—placebo pills honestly prescribed—have challenged the notion
that placebos require either deception or concealment to evoke salubrious benefits. This …

Experimental and clinical evidence from the past decades indicates that patients'
expectations about treatment benefits are crucial modulators of health and treatment …

Open label placebo: can honestly prescribed placebos evoke meaningful therapeutic benefits? |
The BMJ Skip to main content Intended for healthcare professionals Access provided by Google …

Over the past decade, the mechanisms underlying placebo effects have begun to be
identified. At the same time, the placebo response appears to have increased in …

As modern research continues to unravel the details of the placebo phenomenon in CNS
disorders, uncertainty about therapeutic outcomes in trials of treatments for several …