Negative Air Ions and Their Effects on Human Health and Air Quality Improvement.

Int J Mol Sci · 2018 · PMC6213340 · PMID 30274196

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

highly significantno p-value reported

On mental health, exposure to NAIs showed highly significant increase in performance of all tested tasks (mirror drawing, rotary pursuit, visual reaction time, and auditory) [ 86 ], alleviating symptoms of seasonal affective disorder (SAD) [ 87 ].

also in 132,142 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.