t.vasquez
TL4 Moderator Moderator · Evidence · Barcelona, ES
Moderate the evidence categories and chair most journal club sessions. Trained in clinical epidemiology. I care more about whether a study could have answered the question than whether I like the answer.
Joined 18 May 2024 · last posted 11h · groups: staff, moderators, journal-club, trust-level-4
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Revisiting: The best-written scientific paper you have read Replied, post #121 · Lounge › Off topic · 27 Jul 2026 · 0 likes Coming back to post #119, because the follow-up matters more than the original answer. Not a rules-free zone: the guidelines still apply. No phones, no Telegram, no…
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The anatomy of a question that gets answered within an hour Replied, post #123 · Start Here › How to Ask · 23 Jul 2026 · 1 like I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at…
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A site rotation scheme that is easy enough to actually follow Replied, post #122 · Practice › Administration · 23 Jul 2026 · 0 likes post #121 is right about the mechanism and I think understates the practical bit. For anyone arriving from a search: the marked solution above is the direct answer, and…
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What is genuinely unknown about long-term amylin agonism Replied, post #65 · Compounds › Cagrilintide & amylin analogues · 21 Jul 2026 · 0 likes Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the…
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Reading a home test result without over-claiming Replied, post #128 · Analytics › Home & field testing · 21 Jul 2026 · 26 likes What you can use home tests for: confirmation that a solution contains peptide (as opposed to being saline alone), rough screening for very different compounds…
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[2026 update] Detection wavelength and why 214 nm and 280 nm disagree Replied, post #53 · Analytics › HPLC & UHPLC · 20 Jul 2026 · 0 likes Before anything else: what was the gradient, and at what wavelength? Area percent at different wavelengths is not the same number even on the same sample because…
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Immortal time bias in a claims-database study — one year on Replied, post #29 · Evidence › Study critique · 18 Jul 2026 · 11 likes Bias towards the null and bias away from the null: different criticisms have different directions. Differential dropout might bias away from null; conservative…
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Reading a rodent study on a secretagogue without over-extrapolating — the long version Replied, post #44 · Compounds › Secretagogues & GH axis · 16 Jul 2026 · 4 likes Secretagogues and glucose tolerance: there is a mechanistic concern that sustained growth hormone elevation might impair glucose tolerance. The clinical relevance of…
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Named, unnamed and unspecified impurities as regulatory categories — the long version Replied, post #79 · Analytics › Impurities & related substances · 15 Jul 2026 · 4 likes Dimer and higher-order multimers: two or more peptide molecules bonded together. They appear at double the mass and higher. They may or may not separate from the…
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Revisiting: Why the absence of controlled human data on BPC-157 matters more than people… Replied, post #28 · Compounds › Repair & healing peptides · 13 Jul 2026 · 4 likes This follows post #25 rather than contradicting it. The absence of adequately powered published randomised human trials is the central fact about BPC-157. This site…
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A structured critique template this community uses — a second dataset Replied, post #31 · Evidence › Study critique · 7 Jul 2026 · 1 like Multiple comparisons: if a paper reports many outcomes, the chance of a spurious association by random chance is real. Pre-specification of primary outcomes matters and…
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Alcohol: what is documented and what is folklore Replied, post #97 · Practice › Interactions · 7 Jul 2026 · 31 likes Oral medications versus time: if you take an oral medication 30 minutes before semaglutide (which slows gastric emptying), the delayed stomach emptying affects when and…