Placebo Effect

Comments center on the strength, validity, and mechanisms of the placebo effect, frequently questioning if observed benefits in treatments or studies are due to placebo rather than active interventions, and noting it works even when known.

πŸ“‰ Falling 0.3x Health
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Comments
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#109
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Activity Over Time

2007
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2009
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2010
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2011
72
2012
107
2013
190
2014
162
2015
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2016
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2017
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Keywords

pubmed.ncbi scientificamerican.com NIH nature.com MDMA nlm.nih harvard.edu CBT FDA wikipedia.org placebo placebo effect effect effects efficacy know isn study cbt perception blind

Sample Comments

puranjay β€’ Jun 20, 2022 β€’ View on HN

if the placebo effect works, why not?

BurningFrog β€’ May 20, 2024 β€’ View on HN

The Placebo Effect really works sometimes!

echoangle β€’ Jan 19, 2025 β€’ View on HN

You’re underestimating the effects of placebo.

guyzero β€’ Mar 8, 2016 β€’ View on HN

How do we know it's not a placebo effect?

eli β€’ Feb 2, 2016 β€’ View on HN

How can you know this isn't the placebo effect?

danuker β€’ Feb 20, 2025 β€’ View on HN

Placebo and nocebo are strong effects. Even when the people taking placebos knows it, they still work.https://www.nature.com/articles/s41598-021-83148-6

rcpt β€’ Mar 13, 2023 β€’ View on HN

Placebo effect still happens even when you know it's a placebo

amelius β€’ Jan 6, 2022 β€’ View on HN

Placebo effect is stronger than most people think, also works the other way.

singpolyma3 β€’ Aug 1, 2023 β€’ View on HN

It's quite likely your outsized effect is more placebo than induced effect.

abfan1127 β€’ Dec 19, 2014 β€’ View on HN

as a study of one, how do you know it isn't the placebo effect?