Do negative air ions improve mood, anxiety, depression, alertness?
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Special thanks to Prof. Jack Beauchamp and Dr. Nathan Dalleska from Caltech for all their help running these experiments and discussing the research. For more, check out the links below:
If you want to dig into the research on negative ions yourself, I suggest starting with the review studies:
Air ions and mood outcomes: a review and meta-analysis.
Perez V, Alexander DD, Bailey WH.
BMC Psychiatry. 2013 Jan 15;13:29.
Air ions and respiratory function outcomes: a comprehensive review
Dominik D Alexander, William H Bailey, Vanessa Perez, Meghan E Mitchell, and Steave Su
J Negat Results Biomed. 2013; 12: 14.
Exposure of laboratory animals to small air ions: a systematic review of biological and behavioral studies.
Bailey WH, Williams AL, Leonhard MJ.
Biomed Eng Online. 2018 Jun 5; 17(1):72.
Thumbnail photography by Raquel Nuno
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Sound recording by Whitney Clavin
Motion Graphics by Charlie Kilman
Music from Epidemic Sound: epidemicsound.com "Capture a Picture 1" and "Seaweed"