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Topics ordered by when they were created rather than by activity. This is where a question that nobody has answered yet is easiest to find — and answering one is the fastest route to a first solution badge.

1,535 topics · page 5 of 40

Topic	Participants	Replies	Views	Activity
I joined for one answer and stayed for a year — what changed my mind Start Here › Welcome guidelines onboarding trust levels Posting this under the heading it deserves: I joined for one answer and stayed for a year — what changed my mind Everything below is what sits behind that. Question in the title and the context underneath, in…	+94	114	17k	just now
Reference intervals: how they are constructed and why one in twenty flags — does this still hold? Clinical › Bloodwork thyroid function liver enzymes lipid panel HbA1c Solved Asking directly, because I could not find a straight answer: Reference intervals: how they are constructed and why one in twenty flags — does this still hold? A methods question rather than a substantive one,…	+18	22	281	2h
Follow-up: Prior authorisation: what the criteria usually require Access › Insurance & coverage insurance appeals formulary prior authorisation Solved Prior authorisation: what the criteria usually require — setting out what I have, and where I think it stops being reliable. A methods question rather than a substantive one, about Prior authorisation.…	+95	100	9.1k	10h
Peak-to-trough ratio at steady state for a weekly agent Pharmacology › Pharmacokinetics tirzepatide liraglutide worked example missed dose Solved On the subject in the title: Peak-to-trough ratio at steady state for a weekly agent Working notes rather than a conclusion. Working through the kinetics rather than the pharmacology, because I think the…	+58	64	9.7k	2mo
What I would want from a home test that does not exist yet Analytics › Home & field testing ELISA documentation quality LOD & LOQ Solved Pinned The question in the title: What I would want from a home test that does not exist yet I will give what I have already checked below so nobody repeats it. Two reports on the same lot, and I would like help…	+46	50	8k	6h
Revisiting: Mean kinetic temperature explained without the mathematics Practice › Storage & stability storage cold chain temperature excursion cloudy or discoloured solution Solved Revisiting: Mean kinetic temperature explained without the mathematics Writing it up because I had to work it out twice and would rather nobody else did. A methods question rather than a substantive one,…	+67	75	909	2mo
Cleaning a self-reported dataset and what you throw away Data & Tools › Datasets confounding site feedback data table observational data Cleaning a self-reported dataset and what you throw away — setting out what I have, and where I think it stops being reliable. Collecting what is known about cleaning a self-reported dataset in one place,…		2	28k	1d
Second pass at: Cost versus information: making the trade-off explicitly Analytics › Home & field testing third-party testing documentation quality ELISA Posting this under the heading it deserves: Second pass at: Cost versus information: making the trade-off explicitly Everything below is what sits behind that. Posting a small dataset on Cost versus…	+23	27	6.1k	22h
Ultrasound and skinfolds: operator dependence in practice Outcomes › Body composition DXA data table lean mass loss Ultrasound and skinfolds: operator dependence in practice — setting out what I have, and where I think it stops being reliable. Trying to establish the boundary conditions on ultrasound and skinfolds. The…	+72	76	2.7k	2d
How to ask a question when you cannot say why you are asking it Start Here › How to Ask beginner friendly site feedback worked example onboarding Solved Asking directly, because I could not find a straight answer: How to ask a question when you cannot say why you are asking it Question in the title. Context below, and I have tried to include the things people…	+49	53	36k	4h
Reading a syringe in poor light, and how to avoid needing to Devices › Syringes & needles syringe units dead volume needle gauge & length worked example Solved Reading a syringe in poor light, and how to avoid needing to Writing it up because I had to work it out twice and would rather nobody else did. The question about reading a syringe that I actually want…		2	22k	just now
Primary endpoint hierarchies and why order matters — one year on Evidence › Trials surrogate endpoints discontinuation & dropout estimand randomised trial Solved On the subject in the title: Primary endpoint hierarchies and why order matters — one year on Working notes rather than a conclusion. A follow-up question about Primary endpoint hierarchies that I did not…	+56	61	37k	11h
Follow-up: UK access routes, dated and sourced Regional › UK & Ireland personal import cost per milligram MHRA Solved On the subject in the title: UK access routes, dated and sourced Working notes rather than a conclusion. Regional question, dated March 2026, because everything in this category expires. The position differs…	+10	14	27k	2d
Why we ask for units every single time, with three examples of what goes wrong Start Here › How to Ask worked example onboarding beginner friendly guidelines Why we ask for units every single time, with three examples of what goes wrong — that is the question, and I have not found it answered plainly anywhere I have looked. Counting it rather than describing it,…	+118	135	2.2k	11d
What TRIUMPH is designed to answer, and why we should not pre-empt it Compounds › Retatrutide retatrutide effect size TRIUMPH programme preprint Solved What TRIUMPH is designed to answer, and why we should not pre-empt it I have a specific reason for asking rather than idle curiosity, and the context is below. TRIUMPH keeps being re-asked here and I think…	+4	8	142	6h
About the Mass spectrometry category Analytics › Mass spectrometry LC-MS high-resolution MS mass error (ppm) Pinned Wiki LC-MS and high-resolution MS, charge states, mass accuracy in ppm, and what identity confirmation does and does not establish. This post is a community wiki: any member at trust level 3 or above can edit it,…	+5	9	19k	6h
Does dual agonism explain the effect size, or is it dose? Compounds › Tirzepatide SURPASS programme SURMOUNT programme tirzepatide randomised trial Solved Does dual agonism explain the effect size, or is it dose? I have a specific reason for asking rather than idle curiosity, and the context is below. A question about dual agonism that I think has a definite…	+62	68	2.6k	29d
Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field Evidence › Journal club estimand risk of bias number needed to treat Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field — setting out what I have, and where I think it stops being reliable. Collecting what is known about SURMOUNT-OSA in one place,…	+108	122	52k	7d
Why cagrilintide alone is discussed so much less than in combination — does this still hold? Compounds › Cagrilintide & amylin analogues cagrisema randomised trial cagrilintide effect size Solved Under review Why cagrilintide alone is discussed so much less than in combination — does this still hold? — that is the question, and I have not found it answered plainly anywhere I have looked. Cagrilintide alone:…	+27	31	1.2k	22h
Lipid changes during rapid weight loss: the expected trajectory Clinical › Bloodwork liver enzymes thyroid function lipid panel lipase & amylase Solved Posting this under the heading it deserves: Lipid changes during rapid weight loss: the expected trajectory Everything below is what sits behind that. Lipid changes during rapid weight: what I expected, what…	+11	15	34k	11h
Comparing prices across jurisdictions without misleading yourself Access › Pricing compounding data table cost per milligram Solved Wiki Comparing prices across jurisdictions without misleading yourself — setting out what I have, and where I think it stops being reliable. Working notes on comparing prices across jurisdictions rather than a…	+78	83	33k	1mo
Second pass at: Programming during a large energy deficit Nutrition & Training › Resistance training DXA lean mass loss fatigue Posting this under the heading it deserves: Second pass at: Programming during a large energy deficit Everything below is what sits behind that. Two things I would like separated before anyone answers on…	+44	48	632	30d
Revisiting: The best-written scientific paper you have read Lounge › Off topic beginner friendly long read Posting this under the heading it deserves: Revisiting: The best-written scientific paper you have read Everything below is what sits behind that. Asking about best-written scientific paper directly, because…	+102	121	21k	1h
Sleep apnoea improving and the equipment implications Wellbeing › Sleep obstructive sleep apnoea heart rate fatigue Sleep apnoea improving and the equipment implications Writing it up because I had to work it out twice and would rather nobody else did. A sleep question with what I actually recorded rather than how I feel…	+14	18	1.1k	17h
Request: a per-category review queue Meta › Feature requests site feedback translation wiki post Request: a per-category review queue Writing it up because I had to work it out twice and would rather nobody else did. Per-category review queue — I have the observation and I do not trust my interpretation…	+122	136	13k	2h
Injection timing and sleep disruption Wellbeing › Sleep fatigue heart rate obstructive sleep apnoea Solved Posting this under the heading it deserves: Injection timing and sleep disruption Everything below is what sits behind that. Injection timing and sleep disruption: setting out the arithmetic in full, because…		3	39k	3h
Publication patterns in the BPC-157 literature, examined Compounds › Repair & healing peptides preprint BPC-157 TB-500 needs a source Solved Posting this under the heading it deserves: Publication patterns in the BPC-157 literature, examined Everything below is what sits behind that. Putting the numbers in the first post, because a question about…	+40	45	3.4k	21h
An appeal that succeeded, with the letter structure — the long version Access › Insurance & coverage appeals formulary insurance An appeal that succeeded, with the letter structure — the long version — setting out what I have, and where I think it stops being reliable. A narrow question about appeal, deliberately narrow, because the…	+113	136	32k	1mo
MS/MS sequence confirmation: what it costs and when it is worth it Analytics › Mass spectrometry LC-MS MALDI-TOF charge states Solved Pinned MS/MS sequence confirmation: what it costs and when it is worth it — setting out what I have, and where I think it stops being reliable. I would like to understand what this number means before I repeat it…	+2	6	2.7k	1d
Documenting a supplier's response to a discrepancy Sourcing › Vendor reports third-party testing documentation quality batch & lot numbers Solved On the subject in the title: Documenting a supplier's response to a discrepancy Working notes rather than a conclusion. A question about how a record should be read rather than about a supplier. We have…	+44	49	589	8h