trustmebro.to/r/…
✓ checked
trust me, bro:
here is the receipt.
the claim

Secondhand tobacco smoke exposure increases the risk of lung cancer in adults who do not smoke.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
7 sources for · 0 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 Secondhand tobacco smoke exposure increases the risk of lung cancer in adults who do not smoke?

Yes. Multiple authoritative sources, including a 2024 systematic review and meta-analysis and the CDC, state that secondhand smoke exposure increases lung cancer risk in adults who never smoked, with the meta-analysis quantifying roughly a 20% increase.

Verdict: SUPPORTED · 7 sources for, 0 against · Last checked

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

Evidence for · 7
Get citation
Tobacco. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Tobacco

See more details
More for · 6
Get citation
Secondhand Smoke. (n.d.). medlineplus.gov. https://medlineplus.gov/secondhandsmoke.html

Get citation
Second hand smoke, age of exposure and lung cancer risk - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1016/j.lungcan.2007.11.013

2024
Get citation
Possenti, I., Romelli, M., Carreras, G., Biffi, A., Bagnardi, V., Specchia, C., Gallus, S., & Lugo, A. (2024). Association between second-hand smoke exposure and lung cancer risk in never-smokers: a systematic review and meta-analysis.. doi.org. https://doi.org/10.1183/16000617.0077-2024

2026
Get citation
G, P., M, Z., S, Y., R, Y., B, H., C, Z., Q, L., C, J., C, J., Y, M., J, C., C, Z., Y, F., H, M., L, D., & M, Z. (2026). Secondhand smoke and lung cancer risk in never-smoking women: A cohort and meta-analysis study.. doi.org. https://doi.org/10.1016/j.canep.2026.103051

Get citation
Health Problems Caused by Secondhand Smoke | Smoking and Tobacco Use | CDC. (n.d.). cdc.gov. https://www.cdc.gov/tobacco/secondhand-smoke/health.html

2021
Get citation
Su, Z., McDonnell, D., Abbas, J., Shi, L., Cai, Y., & Yang, L. (2021). Secondhand Smoke Exposure of Expectant Mothers in China: Factoring in the Role of Culture in Data Collection. doi.org. https://doi.org/10.2196/24984

Anyone with this link can read the claim and its public receipt, including any personal information in that text. Open permanent receipt.
Check your own claim
Challenge the receipt
Requests are recorded for review. This does not start an automatic check or guarantee a response time.

Citation formatting by citeproc-js (Frank Bennett) and the Citation Style Language project. Source and licenses.

This receipt is an automated verdict against our published method · not an opinion about any author or publication.
Terms · Privacy · How verdicts work