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the claim

Touching a toad causes warts to grow on human skin.

the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 8 against

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

Is it true that Touching a toad causes warts to grow on human skin?

No. Multiple reference and peer-reviewed sources state that warts are caused by human papillomavirus, and several explicitly say touching a toad does not cause warts. The claim is contradicted by direct statements from dermatologists and reference works.

Verdict: REFUTED · 0 sources for, 8 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 8
Characterization of a New Type of Human Papillomavirus That Causes Skin Warts
1977
Get citation
Orth, G., Favre, M., & Croissant, O. (1977). Characterization of a New Type of Human Papillomavirus That Causes Skin Warts. doi.org. https://doi.org/10.1128/jvi.24.1.108-120.1977

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More against · 7
Skin surface material for detecting human papillomavirus infection of skin warts
2022
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Shimizu, A., Kuriyama, Y., Kosaka, M., Kaneko, A., Nishioka, H., Anzawa, K., Hattori, T., Igarashi, N., Tamura, M., & Motegi, S. (2022). Skin surface material for detecting human papillomavirus infection of skin warts. doi.org. https://doi.org/10.22541/au.167161533.34465307/v1

Faces around the World
2012
Get citation
DeMello, M. (2012). Faces around the World. play.google.com. https://play.google.com/store/books/details?id=gEzEEAAAQBAJ&source=gbs_api

Can frog pee cause warts?
2012
Get citation
Can frog pee cause warts?. (2012). skeptics.stackexchange.com. https://skeptics.stackexchange.com/questions/9504/can-frog-pee-cause-warts

Charlie Brown's 'cyclopedia
1980
Get citation
Schulz, C. M. (1980). Charlie Brown's 'cyclopedia. books.google.com. http://books.google.com/books?id=3pITCeKuQyAC&dq=Touching+a+toad+causes+warts+to+grow+on+human+skin.&hl=&as_pt=BOOKS&source=gbs_api

Healing Herbs Handbook
2018
Get citation
Grogan, B. B. (2018). Healing Herbs Handbook. books.google.com. http://books.google.com/books?id=Y5J5EQAAQBAJ&dq=Touching+a+toad+causes+warts+to+grow+on+human+skin.&hl=&as_pt=BOOKS&source=gbs_api

A Comparative Study of Efficacy and Safety of Intralesional Injections of Vitamin D3, MMR Vaccine and Acyclovir in Management of Cutaneous Warts
2025
Get citation
(IJMACR), I. J. o. M. S. a. A. C. R. (2025). A Comparative Study of Efficacy and Safety of Intralesional Injections of Vitamin D3, MMR Vaccine and Acyclovir in Management of Cutaneous Warts. zenodo.org. https://doi.org/10.5281/zenodo.16737810

Questions and answers about human papillomavirus (HPV)
2020
Get citation
Questions and answers about human papillomavirus (HPV). (2020). iris.who.int. https://iris.who.int/handle/10665/360807

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