trustme.bro/r/…
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the claim
Everyone was once the youngest person in the world
the verdict
COMMON KNOWLEDGE
no citation needed for this one
refutedsupported
the weight of evidence
no sources on either side

Every living human being began life as an infant, making the statement that everyone was once the youngest person in the world a logical truth by definition.

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The analysis

The claim is trivially true by definition and everyday biological development; every person was once a newborn, and at that moment represented the newest (and therefore youngest) cohort of humanity alive. None of the retrieved biomedical and archaeological papers bear directly on this logical truism, which requires no citation.

Everything we examined (12)
We also searched for evidence AGAINST this claim, not only for it.
  1. Infancy and Earliest Childhood in the Roman Worldpeer-reviewedno side takennot shown: read and judged not to bear on this claim
  2. Reconsidering the Nature of Threat in Infancy:Integrating Animal and Human Studies on Neurobiological Effects of Infant Stresspeer-reviewedno side takennot shown: read and judged not to bear on this claim
  3. Relevance of Milk Composition to Human Longitudinal Growth from Infancy Through Puberty: Facts and Controversiespeer-reviewedno side takennot shown: read and judged not to bear on this claim
  4. The direction, timing and demography of Popillia japonica (Coleoptera) invasion reconstructed using complete mitochondrial genomes.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  5. Evolutionary profiles and complex admixture landscape in East Asia: New insights from modern and ancient Y chromosome variation perspectives.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  6. Causes and Risk Factors of Vitamin B12 Deficiency at the Bookends of Life, From Infancy to Old Agepeer-reviewedno side takennot shown: read and judged not to bear on this claim
  7. Complex peopling history and expansion events inferred from large-scale modern and ancient Y chromosome sequences.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  8. A Study on Primigravida Mothers of Rural Karad Taluka, Maharashtra in Acknowledging the Child Developmental Milestonespeer-reviewedno side takennot shown: read and judged not to bear on this claim
  9. Altricial brains and the evolution of infant vocal learning.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  10. Estimating the Effective Population Size Across Space and Time in the Critically Endangered Western Chimpanzee in Guinea-Bissau: Challenges and Implications for Conservation Management.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  11. Developmental trajectories of EEG aperiodic and periodic power: Implications for understanding the timing of thalamocortical development during infancypeer-reviewedno side takennot shown: read and judged not to bear on this claim
  12. Human turn-taking development: A multi-faceted review of turn-taking comprehension and production in the first years of lifepeer-reviewedno side takennot shown: read and judged not to bear on this claim
The paper trail · every fact has a biography
first checked06 Aug 2026
judged → COMMON KNOWLEDGE · 006 Aug 2026
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