Effect of HEPA filtration air purifiers on cognitive function from a secondary outcome analysis of a pragmatic randomized crossover trial.
Pellegrino N; Eliasziw M; Fortinsky R; Gates H; Brugge D · 2026 · Scientific reports
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Exposure to particulate matter is associated with adverse health outcomes such as cardiovascular and neurological diseases. However, there are few intervention studies that have examined short-term changes in air particulate exposure and…
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Metadata source: Europe PMC · DOI 10.1038/s41598-026-48063-8