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Elektromagnetiska fält, elöverkänslighet och neurologisk sjukdom - en kunskapsöversikt

U Bergqvist, T Brante, K Fransson, K. Hansson Mild, Lena Hillert, O Johansson, L Rönnbäck, Monica Sandström, Berndt Stenberg 
01 Jan 1998-
About: The article was published on 1998-01-01 and is currently open access. It has received 5 citations till now.

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Citations
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Journal Article•DOI•
Prevalence of annoyance attributed to electrical equipment and smells in a Swedish population, and relationship with subjective health and daily functioning.

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Frida Carlsson1, Björn Karlson1, Palle Örbaek2, Palle Örbaek1, Kai Österberg1, Per-Olof Östergren3 •
Lund University1, National Institute of Occupational Health2, Malmö University3
01 Jul 2005-Public Health
TL;DR: Annoyance related to electrical and/or chemical factors was common in a Swedish population and the association with subjective health and functional capacity increased with severity of annoyance, which suggests that there is some connection between environmental annoyance, well-being andfunctional capacity.

79 citations

Journal Article•DOI•
Baseline prevalence of symptoms related to indoor environment.

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Nils Eriksson1, Berndt Stenberg1•
Umeå University1
01 Aug 2006-Scandinavian Journal of Public Health
TL;DR: The prevalence of symptoms in the Swedish population was found to accord with results in studies based on different kinds of samples, and SBS symptoms, skin symptoms, and symptoms similar to those reported by individuals with ``electric hypersensitivity'' were significantly more prevalent among employees with extensive VDU usage.
Abstract: Aims: Health problems associated with indoor environments have been reported and discussed extensively during the past few decades, not least in Sweden. There is, however, great uncertainty concerning the background prevalence of the symptoms in question. The main objective of the present study was to investigate the prevalence of general, mucosal, and skin symptoms in the Swedish population. Methods: A survey comprising 3,000 randomly selected Swedes, age 18—64, was carried out. The survey addressed 25 symptoms, principally general, mucosal, and skin symptoms. A number of other areas were covered and individual data registered at Statistics Sweden were added. The response rate was 70% (2,154 cases). Results: The prevalence of symptoms in the Swedish population was found to accord with results in studies based on different kinds of samples. Women reported significantly more single symptoms, as well as sets of symptoms, than men. There was no clear connection between age and symptoms. The prevalence of sym...

47 citations

Cites background from "Elektromagnetiska fält, elöverkänsl..."

  • ...A number of studies have found a positive association between amount of VDU work and selfreported skin symptoms, but no specific VDUrelated skin disorder has been found in clinical studies [23]....

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  • ...Electromagnetic fields, flickering light, and stress have been suggested as the link between extensive VDU work and health complaints [23]....

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Book•
On astrocytes and glutamate neurotransmission : new waves in brain information

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Elisabeth Hansson, Torsten Olsson, Lars Rönnbäck
01 Jan 1997
TL;DR: A summary of the knowledge on astroglial-neuronal interaction in glutamate neurotransmission is given in this article, focusing on the contribution of astroglia to synaptic dynamics.
Abstract: This is a summary of the knowledge on astroglial-neuronal interaction in glutamate neurotransmission, especially focusing on astroglial contributions to synaptic dynamics. It briefly addresses different topics such as membrane receptors and signal transduction systems on astroglia and the expression of some ion channels and glutamate carriers.

7 citations

Belysning och hälsa - en kunskapsöversikt med fokus på ljusets modulation, spektralfördelning och dess kronobiologiska betydelse

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Monica Sandström, Ulf Bergqvist, Rickard Küller, Thorbjörn Laike, Allan Ottosson, Roger Wibom 
01 Jan 2002

5 citations

Cites background from "Elektromagnetiska fält, elöverkänsl..."

  • ...I ett antal provokationsstudier i Sverige och utomlands har man inte lyckats finna någon korrelation mellan elöverkänsligas exponering för elektronmagnetiska fält och symptomförekomst (för en översikt se (13))....

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  • ...Detta är i överensstämmelse med de diskussioner som förts vid studier av elöverkänsliga (13; 88; 113; 132)....

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Journal Article•DOI•
A Nonconventional Approach to the Treatment of Environmental Illness

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Bruce A. Brod
01 Dec 1996-American Journal of Contact Dermatitis

4 citations

References
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Journal Article•
Techno-stress. A psychophysiological study of employees with VDU-associated skin complaints.

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Mats Berg, Bengt B. Arnetz, Sture Lidén, Peter Eneroth, Anders Kallner 
01 Jul 1992-Journal of Occupational and Environmental Medicine
TL;DR: White-collar employees with and without VDU-associated skin complaints observed had higher levels of the stress-sensitive hormones thyroxin and prolactin compared with employees without symptoms and reported more occupational mental strain.
Abstract: Little is known about the causes of health complaints associated with work with video display units (VDUs). The symptoms are to a large degree similar to those of "multiple chemical sensitivity." We observed 47 white-collar employees with and without VDU-associated skin complaints during a regular workday and a day of leisure. VDU workers with skin symptoms had higher levels of the stress-sensitive hormones thyroxin and prolactin compared with employees without symptoms. They also had lower levels of the anabolic hormone testosterone during work. VDU workers with skin complaints also reported more occupational mental strain. A model is proposed in which physiological signals act as unconditioned stimuli and the VDU environment as the conditioned stimuli.

63 citations

"Elektromagnetiska fält, elöverkänsl..." refers background in this paper

  • ...Som framgår av denna tabell, kan vissa resultat av intresse ses för estradiol, där författarna till den ena studien framför möjliga samband med vasodilation och klåda (15)....

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  • ...Ulf Bergqvist, Thomas Brante, et. al....

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  • ...Ulf Bergqvist, Thomas Brante, m. fl. Elektromagnetiska fält, elöverkänslighet och neurologisk sjukdom - en kunskapsöversikt....

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  • ...Andersson, 1996 (2) Berg 1992 (15) Graham 1996 (54) Törnqvist 1998 (148) Åkerstedt 1997 (159) Population Fall Fall och ickefall Frivilliga, kvinnor Kraftverksarbetare, män Frivilliga...

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  • ...och neurologisk sjukdom – en kunskapsöversikt Ulf Bergqvist Thomas Brante Kjell Fransson Kjell Hansson Mild Lena Hillert Olle Johansson Lars Rönnbäck Monica Sandström Berndt Stenberg a...

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Book Chapter•DOI•
Non-ionizing radiation

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S. Kanagasabay
01 Jan 1982
TL;DR: In this paper, nonionizing radiation is defined as a flow or stream of atomic and subatomic particles and waves, and two main types of radiation are electromagnetic waves and moving atomic particles.
Abstract: Publisher Summary This chapter discusses nonionizing radiation. Radiation may be defined as a flow or stream of atomic and subatomic particles and waves. The two main types of radiation are electromagnetic waves and moving atomic particles. In the case of electromagnetic waves, energy transfer occurs by means of oscillating electric and magnetic fields. Particulate radiation depends on the atom, which consists of a nucleus of neutrons and protons surrounded by a cloud of electrons. In terms of electromagnetic radiation, dielectrics are materials that are not perfect, and the amplitude of an electromagnetic wave is attenuated when it passes through such materials, with the resulting energy dissipated as heat in the material. Absorption in biological material results in heating. The degree of absorption is dependent on the electrical properties of the material—namely, the dielectric constant and electrical conductivity. Microwave and radiofrequency radiation at certain frequencies, power levels, and exposure durations produce biological effects.

62 citations

Journal Article•DOI•
A cognitive-behavioral treatment of patients suffering from "electric hypersensitivity". Subjective effects and reactions in a double-blind provocation study.

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Bengt Andersson1, Mats Berg, Bengt B. Arnetz, Lennart Melin, Ingvar Langlet, Sture Lidén •
Uppsala University1
01 Aug 1996-Journal of Occupational and Environmental Medicine
TL;DR: The conclusion from the provocation test is that this group of alleged hypersensitive patients did not react to the electromagnetic fields, indicating that psychological treatment may be of value in this disease.
Abstract: This study tested psychological treatment of patients with "electric hypersensitivity." Seventeen patients were randomly assigned to a treatment group or a waiting-list control group in a pretest-posttest control group design. The patients were also taking part in double-blind provocation tests before and after the treatment. Subjective ratings of symptoms were registered and blood samples were taken and analyzed for "stress-related" variables, such as prolactin, cortisol, dehydroepiandrosterone, and cholesterol levels. The patients in the experimental group reduced their evaluations of the disability more than the control group did. This indicates that psychological treatment may be of value in this disease. However, none of the psychophysiological measures or the subjective reactions to the provocation test showed any significant between-group difference. The conclusion from the provocation test is that this group of alleged hypersensitive patients did not react to the electromagnetic fields.

62 citations

Journal Article•DOI•
Psychologic aspects of patients with symptoms presumed to be caused by electricity or visual display units.

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Jan Bergdahl1•
Umeå University1
01 Oct 1995-Acta Odontologica Scandinavica
TL;DR: Patients with symptoms presumed to be caused by electricity and visual display units differed from each other psychologically and, therefore, should be handled clinically in different ways.
Abstract: Psychologic factors were studied in 10 patients with symptoms presumed to be caused by electricity (EG) and in 10 patients with symptoms presumed to be caused by visual display units (VG) and compared with a sex- and age-matched control group (CG). Psychologic differences between the EG and VG were also measured. The symptoms presumed to be caused by electricity or visual display units were registered, and the personality, psychologic functioning, and quality of life were determined by using the Karolinska Scales of Personality (KSP), an additional Personality Scale (PS), a Psychological Functioning Scale (PFS), and a quality of Life Scale (QLS). The results showed that the commonest general symptoms in the EG/VG were skin complaints, fatigue, pain, and dizziness, and the commonest oral symptoms were gustatory disturbance, burning mouth, and temporomandibular joint dysfunction. The patients in the EG described more different types of both general and oral symptoms than those in the VG. The result showed that the VG scored significantly higher only in the KSP Somatic Anxiety and Muscular Tension scales, and the EG scored significantly lower in the KSP Socialization scale and significantly higher in the Somatic Anxiety, Muscular Tension, and Psychasthenia scales. In addition, only the EG differed significantly on the PS, PFS, and QLS. The EG differed significantly in such psychologic aspects as being more fatigued in the PS, in having more difficulty in concentrating, in taking the initiative, and in getting on with people in the PFS and experiencing inactivity and visiting other people rarely in the QLS. The conclusion was that patients with symptoms presumed to be caused by electricity and visual display units differed from each other psychologically and, therefore, should be handled clinically in different ways. The need for an interdisciplinary approach to these patients is emphasized.

60 citations

"Elektromagnetiska fält, elöverkänsl..." refers background in this paper

  • ...Bergdahl (18) definierade två delgrupper på vardera 10 personer baserade på deras attribuering; VG (en "bildskärmsgrupp") som enbart angav bildskärmar och lysrör som problemkällor och EG (en "elöverkänslighetsgrupp") som relaterade sina problem till en rad olika källor....

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  • ...I studien av Bergdahl och medarbetare (18) skiljde man på individer som - i nuläget - enbart rapporterade problem i situationer där bildskärm och/eller lysrör förekom, och de som fick besvär även i en rad andra situationer....

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  • ...25 I studien av Bergdahl och medarbetare (18) fann man en skillnad i personlighetsdrag mellan elöverkänsliga (EG, se ovan) och kontrollpersoner vad avser flera personlighetsinventorier (socialisering, somatisk ångest, psykasteni, muskelspänning, svårt att ta initiativ m....

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  • ...(18) och Knave och medarbetare (81), förelåg en koppling till att ange besvär vid bildskärm och att främst ange hudbesvär, medan individer med symtom från nervsystemet i högre grad angav “övrig elektrisk utrustning” som orsak....

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Journal Article•DOI•
Hypersensitivity to electricity: working definition and additional characterization of the syndrome.

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Lena Hillert1, Lena Hillert2, Birgitta Kolmodin Hedman1, Erik Söderman2, Bengt B. Arnetz1 •
Karolinska Institutet1, Stockholm County Council2
01 Nov 1999-Journal of Psychosomatic Research
TL;DR: An investigation of symptoms and risk indicators associated with reported hypersensitivity to electricity-based on a survey at a high-technology, multinational telecommunications corporation suggests skin, and not neurovegetative symptoms, characterize the syndrome, at least during the first years of illness.

59 citations