Infact
92 / 100
True

Mr. A experienced severe symptoms after taking a placebo, believing it was an antidepressant overdose. His symptoms disappeared within 15 minutes after realizing it was a placebo. He was part of a double-blind study, and the nocebo effect created real symptoms.

Infact verdict: True (92/100).

The claims regarding Mr. A's experience with a placebo and the nocebo effect are well-supported by multiple high-quality sources. Evidence confirms that Mr. A experienced severe physiological symptoms due to the nocebo effect, which disappeared after he realized he had taken a placebo. The claim about his participation in a double-blind study is also corroborated by reliable sources. Overall, the evidence strongly supports the factual accuracy of these claims.

October 20, 2026 Language: en_US 5 claims analyzed
How is this score determined? →
▶ Video source https://youtube.com/shorts/mqZQ1Alc4_g youtube.com ↗

Individual claims

93
True Health
Mr. A experienced severe physiological symptoms after taking a placebo, believing it was an antidepressant overdose.
Multiple high-quality sources, including academic articles and a Facebook post, confirm that Mr. A experienced severe physiological symptoms after taking a placebo, believing it was an antidepressant overdose. This is a documented case of the nocebo effect.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 90
Web Consensus Weight 40
Source Quality Score 85
Source Quality Weight 20
Llm Reasoning Score 90
Llm Reasoning Weight 40
Llm Reasoning Score Raw 90
Weighted Total 93
Evidence Summary 3 web sources confirm severe symptoms due to placebo.
93
True Health
Mr. A's physiological symptoms disappeared within 15 minutes after realizing he took a placebo.
High-quality sources, including a LinkedIn post and articles from the Journal of Medicine and ACSH, confirm that Mr. A's symptoms disappeared within 15 minutes after realizing he took a placebo.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 90
Web Consensus Weight 40
Source Quality Score 85
Source Quality Weight 20
Llm Reasoning Score 90
Llm Reasoning Weight 40
Llm Reasoning Score Raw 90
Weighted Total 93
Evidence Summary 3 web sources confirm symptoms disappeared after placebo realization.
90
True Health
Mr. A was part of a double-blind study for antidepressants.
Evidence from a PMC article and other sources confirms that Mr. A was part of a double-blind study involving antidepressants and placebos.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 85
Web Consensus Weight 40
Source Quality Score 80
Source Quality Weight 20
Llm Reasoning Score 85
Llm Reasoning Weight 40
Llm Reasoning Score Raw 85
Weighted Total 90
Evidence Summary 3 web sources confirm participation in a double-blind study.
96
True Health
The nocebo effect can create real physiological symptoms.
The nocebo effect is well-documented in scientific literature, with multiple sources confirming its ability to create real physiological symptoms, such as changes in heart rate and blood pressure.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 95
Web Consensus Weight 40
Source Quality Score 90
Source Quality Weight 20
Llm Reasoning Score 95
Llm Reasoning Weight 40
Llm Reasoning Score Raw 95
Weighted Total 96
Evidence Summary 3 web sources confirm nocebo effect creates real symptoms.
90
True Health
Mr. A's vital signs returned to normal after realizing the truth about the placebo.
Multiple sources, including a LinkedIn post and a PMC article, confirm that Mr. A's vital signs returned to normal after he realized he had taken a placebo.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 85
Web Consensus Weight 40
Source Quality Score 80
Source Quality Weight 20
Llm Reasoning Score 85
Llm Reasoning Weight 40
Llm Reasoning Score Raw 85
Weighted Total 90
Evidence Summary 2 web sources confirm vital signs normalized after placebo realization.

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