Calculated on your device. Theme and unit preferences can be stored locally; health answers, weights and logs remain in memory. A shared settings URL contains its visible planning inputs.
How this is calculated
The method and its limits.
Curated outcome judgments use the site’s published A–D editorial categories; grades are not automatically assigned by counting papers.
Circle size reflects matching included publications, not effect size, certainty or independent populations. Search keywords may produce overlapping outcome groups.
Each cell opens its reasoning and individual sources, then links to an existing outcome guide or the appropriate hub.
These are provisional judgments from read abstracts, not complete systematic outcome reviews. No A outcome has been established in this bounded map; empty cells do not silently acquire strong grades.
Worked example, constants, questions and primary sources
How this is calculated
Inspect the versioned inputs.
Input defaults that are not sourced measurements are illustrative planning assumptions. Exact unit definitions, the 52-week convention and algorithm details are in the shared methodology.
Worked example
An example you can inspect.
The cardiovascular cell is B for source-specific associations, not proof of prevention. A D cell can have zero matching included records and still does not prove the absence of a biological effect.
Read a cell as a bounded editorial appraisal.
The matrix groups six selected outcomes by provisional A-to-D evidence judgments. The grade reflects the documented reasoning for that group, rather than a calculation from the number of publications. The drill-down identifies the supporting records and limitations so that the placement can be inspected. No A grade is asserted for these bounded groups. A letter should be read with its outcome definition, population and exposure context, rather than being transferred to sauna use in general.
Understand the size encoding.
Cell size represents the number of listed publications associated with the selected outcome group. It does not represent a pooled effect size, participant count, certainty probability or number of independent cohorts. Two papers may address related questions using overlapping participants. A larger circle can therefore coexist with an important limitation in study design or independence. Use the circle as an entry point to the record list, then inspect the underlying sources rather than treating visual area as proof of a larger health benefit.
Keep outcome questions specific.
An outcome group is useful only within the question its appraisal addresses. An association with one measured event does not establish an effect on another event, and a supervised treatment result does not automatically apply to an unsupervised routine. The matrix does not estimate how much an individual will benefit or prescribe a frequency. Follow the benefit guide where one exists and keep the original research setting visible. The explorer can then help locate other records for a more focused question.
Treat the map as a starting coverage set.
The initial six groups make the interaction reviewable without pretending the full topic has already received an outcome-specific appraisal. Empty areas are not a declaration that evidence is absent, and the map does not automatically promote a grade when the discovery catalog grows. Expanding coverage requires a documented editorial assessment of the additional sources and their relevance. Most of the current clinical research review remains abstract-only. The visible grade and reasoning should change only when the underlying appraisal is revised, not merely because another title was collected.
Check the explanation before reusing a grade.
A grade copied without its outcome and limitations can imply more than the appraisal established. When writing about a mapped group, retain the reasoning and the source identifiers rather than citing the letter alone. If another question involves a different population or protocol, it needs its own assessment. The matrix is a navigation and appraisal aid, not a universal rating of every exposure described as sauna.
Questions, considered
Questions about this tool
How should I interpret the evidence map result?
These are provisional judgments from read abstracts, not complete systematic outcome reviews. No A outcome has been established in this bounded map; empty cells do not silently acquire strong grades. Explore provisional outcome grades alongside matching publication counts and source records, with overlapping populations and appraisal limits explicit.
Which assumptions matter in the evidence map?
Curated outcome judgments use the site’s published A–D editorial categories; grades are not automatically assigned by counting papers. Circle size reflects matching included publications, not effect size, certainty or independent populations. Search keywords may produce overlapping outcome groups. Each cell opens its reasoning and individual sources, then links to an existing outcome guide or the appropriate hub.
Abstract, Results; original cohort of 2,315 middle-aged Finnish men; DOI 10.1001/jamainternmed.2014.8187
The baseline frequency categories were one, two to three, and four to seven visits per week. They are observational exposure groups, not assigned weekly doses or goals. Keep sessions, total minutes and temperature distinct; the tracker cannot convert these to a validated therapeutic heat dose.