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the claim

Cancer is a strictly man-made disease.

the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 3 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Cancer is not a strictly man-made disease; evidence from the fossil record and archaeological remains shows that malignant tumors affected hominin precursors and ancient populations long before the modern industrial era.

The analysis

The claim is that cancer is strictly man-made. All three retrieved papers discuss paleopathological evidence of cancer in ancient humans, hominin ancestors, and animals prior to modern civilization. Therefore, the claim is clearly refuted by scientific evidence showing deep evolutionary roots for cancer.

Evidence against · 3
Recorded source metadata

Edward C Halperin. Paleo-oncology: the role of ancient remains in the study of cancer.. 2004. https://doi.org/10.1353/pbm.2004.0010

Paper [0] discusses paleo-oncology and the evidence of cancer in ancient human populations and animal fossils.

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More against · 2
Recorded source metadata

G Chene, G Lamblin, K Le Bail-Carval, E Beaufils, P Chabert, P Gaucherand, G Mellier, Y Coppens. [Lucy's cancer(s): A prehistorical origin?].. 2016. https://doi.org/10.1016/j.gyobfe.2016.10.001

Paper [1] highlights the discovery of ancient tumors, such as a 1.7-million-year-old osteosarcoma, proving cancer existed long before modern industrial society.

Recorded source metadata

Lucie Biehler-Gomez, Carlotta Sala, Mirko Mattia, Marco Sannazaro, Cristina Cattaneo. Metastatic cancer in antiquity: Case study from 3rd-4th century Milan, Italy.. 2025. https://doi.org/10.1016/j.ijpp.2025.05.003

Paper [2] documents metastatic cancer in skeletal remains from 3rd-4th century Milan, contributing to the evidence of cancer in antiquity.

The paper trail · every fact has a biography
first checked31 Jul 2026
judged → REFUTED · 031 Jul 2026
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