video thumbnail 16:31
Do Salt Lamps Work?

2019-02-06

[public] 4.09M views, 241K likes, 2.20K dislikes audio only

channel thumbVeritasium

Do negative air ions improve mood, anxiety, depression, alertness?

Part of this video was sponsored by LastPass, click here to find out more: http://bit.ly/2RZZTZk

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:

http://www.cce.caltech.edu/people/jesse-l-jack-beauchamp

http://beckmaninstitute.caltech.edu/eac.shtml

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.

https://www.ncbi.nlm.nih.gov/pubmed/23320516

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.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3848581/

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.

https://www.ncbi.nlm.nih.gov/pubmed/29866122

Thumbnail photography by Raquel Nuno

VFX by Alan Chamberlain

Sound recording by Whitney Clavin

Motion Graphics by Charlie Kilman

Music from Epidemic Sound: http://epidemicsound.com "Capture a Picture 1" and "Seaweed"


Intro
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What are Salt Lamps
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What is an Ion
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Sources of Ions
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Thunderstorms
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Mass Spectrometry
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Pollution
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Evidence
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Negative Ions
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Ionic Air Purifier
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Is it worth it
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LastPass
/youtube/video/ZQ--scjcAZ4?t=917