Olfactory Solid
Stale air lowers comfort.
15 supporting
Factorsheets link building features to their effects on the people, each stating the direction of that effect, how firm the evidence is and where the studies disagree. A factor gets a sheet once five studies in the TBR collection measure both the feature and the effect.
No factors match these filters.
192 factors have four studies each in the TBR collection. One more makes a sheet. The count covers the collection as it stands, and a fifth study may already be in print.