PMID: 9531858Apr 9, 1998Paper

The effect of exposure to negative air ions on the recovery of physiological responses after moderate endurance exercise

International Journal of Biometeorology
T RyushiK Hama

Abstract

This study examined the effects of negative air ion exposure on the human cardiovascular and endocrine systems during rest and during the recovery period following moderate endurance exercise. Ten healthy adult men were studied in the presence (8,000-10,000 cm-3) or absence (200-400 cm-3) of negative air ions (25 degrees C, 50% humidity) after 1 h of exercise. The level of exercise was adjusted to represent a 50-60% load compared with the subjects' maximal oxygen uptake, which was determined using a bicycle ergometer in an unmodified environment (22-23 degrees C, 30-35% humidity, 200-400 negative air ions.cm-3). The diastolic blood pressure (DBP) values during the recovery period were significantly lower in the presence of negative ions than in their absence. The plasma levels of serotonin (5-HT) and dopamine (DA) were significantly lower in the presence of negative ions than in their absence. These results demonstrated that exposure to negative air ions produced a slow recovery of DBP and decreases in the levels of 5-HT and DA in the recovery period after moderate endurance exercise. 5-HT is thought to have contributed to the slow recovery of DBP.

Citations

Jan 12, 2008·International Journal of Biometeorology·Satoko SuzukiIchiro Kita
Oct 11, 2002·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Hideo NakaneHideki Ohira
Feb 20, 2002·Journal of Advanced Nursing·Kaori ShinjoRyuzo Ohno
Jan 16, 2013·Journal of Physiological Anthropology·Yoshihiro Shimomura, Tetsuo Katsuura
Oct 24, 2013·International Journal of Biometeorology·Alfred NimmerichterAlan R Barker
Sep 6, 2012·Journal of cardiology·Gen-Xiang MaoJing Yan
Oct 5, 2016·International Journal of Biometeorology·Naomy S YackersonAlexander Aizenberg
Mar 16, 2017·ACS Applied Materials & Interfaces·Xinglei ZhaoBin Ding
Apr 1, 2017·International Journal of Environmental Research and Public Health·Genxiang MaoJing Yan
Aug 2, 2017·International Journal of Environmental Research and Public Health·Lara S FrancoRichard A Fuller
Jun 20, 2002·Critical Care Medicine·Hiroshi IwamaKazuo Tsutsumi
Apr 10, 2014·Journal of Strength and Conditioning Research·Patrick D SellsKevin Robinson
Oct 3, 2018·International Journal of Molecular Sciences·Shu-Ye JiangSrinivasan Ramachandran
Nov 30, 2011·Journal of Strength and Conditioning Research·Richard J Burden, Mark Glaister

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