International Journal of Biometeorology

, Volume 22, Issue 1, pp 53–58 | Cite as

Absence of harmful effects of protracted negative air ionisation

  • F. G. Sulman
  • D. Levy
  • L. Lunkan
  • Y. Pfeifer
  • E. Tal
Article

Abstract

The absence of harmful effects of protracted negative air ionisation was studied in 5 weather-sensitive women and 5 normal men chosen at random. Negative ions were generated by the Modulion of Amcor-Amron (Herzliya, Israel). The patients were exposed separately during 8 sleeping hours and 8 working hours to the apparatus at 1–2 m distance in a 4 × 4 m room, for 2 months. Thus they were exposed to a daily uptake of 1 × 104 negative ions/cm3 for 16 h/day during 2 months. Urinary 17-KS, 17-OH, adrenaline and noradrenaline excretion was not affected by the negative ionisation. However serotonin, 5-HIAA, histamine and thyroxine excretion — if increased before — diminished by 50% on an average. There were no changes in body weight, blood pressure, pulse, respiratory rate, oral morning temperature, dynamometer grip strength, routine liver function tests, urinary pH, albumen, glucose, ketones, bilirubin, or occult blood, red and white blood count and ECG records. The EEG revealed the typical changes due to negative air ionisation: stabilising of frequency, increased amplitudes, spreading of brainwaves from the perceptive occipital area to the conceptive frontal area and synchronisation of both hemisphere tracings.

Keywords

Histamine Bilirubin Harmful Effect Thyroxine Grip Strength 

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Copyright information

© Swets & Zeitlinger B.V. 1978

Authors and Affiliations

  • F. G. Sulman
    • 1
  • D. Levy
    • 2
  • L. Lunkan
  • Y. Pfeifer
  • E. Tal
  1. 1.Bioclimatology Unit of the Department of Applied PharmacologyHadassah-Hebrew University Medical CentreJerusalemIsrael
  2. 2.Department of Electronic MaintananceHebrew University-Hadassah Medical SchoolJerusalemIsrael

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