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

Fainting is more common in young men during bloodletting due to vasovagal responses

the verdict
CONTESTED
contested - evenly split
Recorded sources
2 sources for · 2 against

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

While fainting and vasovagal responses are indeed common in young individuals during blood procedures, the scientific literature refutes the specific claim that they are more common in young men, consistently demonstrating that females experience these reactions at significantly higher rates.

The analysis

The claim asserts two things: (1) fainting during bloodletting is due to vasovagal responses (which is well-established physiologically and supported by papers discussing vasovagal syncope during phlebotomy), and (2) it is more common in *young men*. However, multiple extensive reviews and studies (e.g., papers [0] and [7]) explicitly show that females experience needle fear, vasovagal reactions, and syncope at substantially higher rates than males. Therefore, while the vasovagal mechanism is correct, the demographic assertion regarding young men is contradicted by the literature, leading to a contested/refuted verdict on the specific comparative claim.

The evidence we hold leans evenly split

How this was weighed

official record 3x · fact-check 2x · hedged 1x · crowd & reference 1x

  • The fear of needles: A systematic review and meta‐analysis · peer-reviewed · supports · weight 2 · 2018
  • Vasovagal donor reactions: An important issue with implicati · peer-reviewed · supports · weight 1.3 · 2002
  • The fear of needles: A systematic review and meta‐analysis · peer-reviewed · refutes · weight 2 · 2018
  • Vasovagal donor reactions: An important issue with implicati · peer-reviewed · refutes · weight 1.3 · 2002
Evidence for · 2
Recorded source metadata

Jennifer McLenon, Mary A.M. Rogers. The fear of needles: A systematic review and meta‐analysis. 2018. https://doi.org/10.1111/jan.13818

This study notes that vasovagal symptoms like fainting during blood procedures occur across populations, including young individuals.

Evidence against · 2
Recorded source metadata

Jennifer McLenon, Mary A.M. Rogers. The fear of needles: A systematic review and meta‐analysis. 2018. https://doi.org/10.1111/jan.13818

This systematic review and meta-analysis establishes that both needle fear and associated vasovagal reactions are actually more prevalent in females than males.

See more details
More for · 1
Recorded source metadata

Mark A. Popovsky. Vasovagal donor reactions: An important issue with implications for the blood supply. 2002. https://doi.org/10.1046/j.1537-2995.2002.00297.x

This paper notes that young age is a documented risk factor for vasovagal reactions during blood donation.

More against · 1
Recorded source metadata

Mark A. Popovsky. Vasovagal donor reactions: An important issue with implications for the blood supply. 2002. https://doi.org/10.1046/j.1537-2995.2002.00297.x

This review highlights that female gender, alongside youth and low weight, is frequently identified as a primary independent risk factor for vasovagal reactions.

The paper trail · every fact has a biography
first checked02 Aug 2026
judged → CONTESTED · 4302 Aug 2026
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.
trust me, bro: win the argument, pass the class, survive peer review.

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 · Dispute this receipt