Effects of Negative Air Ions on Living Body (1)(Special Lecture 3)(Without Peer Review)(The Thirteenth Symposium on Life Information Science)

Hisanobu SUGANO; Shigenori SHIROUZU; Eiko SHIROUZU; Yasumi KAWAMATA; Iwao TSUTSUMI

doi:10.18936/islis.20.1_208

The 13th Symposium on Life Information Science

Effects of Negative Air Ions on Living Body (1)(Special Lecture 3)(Without Peer Review)(The Thirteenth Symposium on Life Information Science)

Hisanobu SUGANO, Shigenori SHIROUZU, Eiko SHIROUZU, Yasumi KAWAMATA, Iwao TSUTSUMI

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Keywords: air ion, ultrasonic humidifier, autonomic function, heart rate, blood pressure, accelerated pulse wave, peripheral blood flow

JOURNAL FREE ACCESS

2002 Volume 20 Issue 1 Pages 208-214

DOI https://doi.org/10.18936/islis.20.1_208

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Abstract

The effects of negative air ions on living body were evaluated. Negative air ions were generated by an ultrasonic humidifier, and changes in heart rate, blood pressure, accelerated pulse wave and peripheral blood flow were measured. Negative air ions seemed to inhibit the sympathetic activity and to decrease blood vessel tone of the subjects whose sympathetic activities were accelerated.

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