Encyclopedia of contested claims
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Every claim we've reviewed.

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60 claims ·Updated daily
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Verdict

Topic

Model agreement

Showing 1 - 12 of 60 claims
Health & medicine·Reviewed May 31, 2026

Is lead exposure causally linked to lower IQ in children?

10 models reviewed·7 sources cited
Leans yes
81%confidence
Health & medicine·Reviewed May 31, 2026

Does air pollution causally reduce average lifespan?

10 models reviewed·7 sources cited
Leans yes
80%confidence
Health & medicine·Reviewed May 31, 2026

Does hormonal birth control cause depression?

10 models reviewed·7 sources cited
Mixed evidence
71%confidence
Health & medicine·Reviewed May 31, 2026

Has global male sperm count meaningfully declined since the 1970s?

10 models reviewed·7 sources cited
Mixed evidence
71%confidence
Health & medicine·Reviewed May 31, 2026

Does abortion increase a woman's risk of breast cancer?

10 models reviewed·7 sources cited
Leans no
80%confidence
Health & medicine·Reviewed May 31, 2026

Does caloric restriction extend human lifespan?

10 models reviewed·7 sources cited
Leans no
73%confidence
Health & medicine·Reviewed May 31, 2026

Does metformin extend lifespan in non-diabetic adults?

10 models reviewed·7 sources cited
Mixed evidence
73%confidence
Health & medicine·Reviewed May 31, 2026

Is acetaminophen use during pregnancy linked to autism in offspring?

10 models reviewed·6 sources cited
Mixed evidence
76%confidence
Health & medicine·Reviewed May 31, 2026

Do generic drugs work as well as brand-name versions?

10 models reviewed·7 sources cited
Leans yes
82%confidence
Health & medicine·Reviewed May 31, 2026

Does melatonin supplementation help adults fall asleep faster?

10 models reviewed·7 sources cited
Mixed evidence
75%confidence
Health & medicine·Reviewed May 31, 2026

Is 8 hours of sleep optimal for most adults?

10 models reviewed·7 sources cited
Mixed evidence
83%confidence
Health & medicine·Reviewed May 31, 2026

Does insufficient sleep increase the risk of Alzheimer's disease?

10 models reviewed·7 sources cited
Leans yes
73%confidence