Biological experimental study on cumulative effect of vehicle electromagnetic radiation

2022 · Unclear · Insufficient evidence

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UnclearInsufficient evidencePaper 718

Study snapshot

Publicationmanual · 2022

Study typeanimal

Reported directionUnclear

Evidence ratingInsufficient

Abstract

Biological experimental study on cumulative effect of vehicle electromagnetic radiation J. Li, W. Changyuan and Z. Yujie. Biological experimental study on cumulative effect of vehicle electromagnetic radiation. 2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC), 2022, pp. 261- 263, doi: 10.1109/APEMC53576.2022.9888471. Abstract Compared with power frequency magnetic field or mobile phone, electric vehicles are equipped with more and more high-voltage components, more and more electronic components, and their frequency, waveform and modulation mode are more flexible, which may make the electromagnetic exposure scene of passengers in the vehicle more complex. With the acceleration of the comprehensive electrification trend of public transport, people are exposed to electric vehicles more and more frequently, and the time is also gradually increasing. Whether the cumulative effect of vehicle electromagnetic radiation has an impact on occupant health is a matter of general concern to consumers. At present, there is still a lack of relevant research and standards on the cumulative effect of vehicle electromagnetic radiation at home and abroad. In this paper, a pure electric vehicle is taken as the test object, and the test mice are taken as an example to verify whether the cumulative effect of vehicle electromagnetic radiation has an impact on the body weight and blood immune cells of mice. The results showed that there were significant gender differences in body weight. However, the test time needs to be further increased to judge whether the cumulative effect causes the impact. Conclusion The results showed that the test had a significant effect on the body weight of female mice. Weight is not only a comprehensive index to measure growth and development, but also an overall response to the operation of various physiological functions of the body. In the past, it has been reported that radiation can cause loss of appetite, affect human endocrine system and slow growth and development. Although the mechanism of this effect is not particularly clear and lack of relevant evidence, it is a problem worthy of attention. However, with the increase of exposure time, the change trend needs to be further verified. In addition, the environmental noise, temperature and humidity of the exposure group and the control group are slightly different in the design of this test, which may have a certain impact on the test results more or less. Therefore, in order to eliminate the interference of environmental factors, laboratory animal experiments will be carried out later to further verify whether the cumulative effect of vehicle electromagnetic radiation will affect the normal immune function of animals. ieeexplore-ieee- org.libproxy.berkeley.edu/stamp/stamp.jsp?tp=&arnumber=9888471&isnumber=9888262

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AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typeanimal

Effect directionunclear

PopulationMice

Sample sizeNot supplied

ExposureNot supplied

Evidence strengthInsufficientConfidence: 66% · Peer reviewed: unknown

Main findings

In a mouse experiment using a pure electric vehicle as the exposure source, results indicated significant gender differences in body weight, and the test was reported to have a significant effect on the body weight of female mice. The authors state that exposure time needs to be increased to determine whether there is a cumulative-effect impact, and that environmental differences between exposure and control groups may have influenced results.

Outcomes measured

Body weight
Blood immune cells
Immune function (mentioned as aim/verification)

Limitations

Exposure parameters (frequency, waveform/modulation, intensity) not reported in the abstract
Test time/exposure duration considered insufficient to judge cumulative effects
Environmental noise, temperature, and humidity differed slightly between exposure and control groups, potentially confounding results
Mechanism described as unclear and lacking evidence (per authors)
No sample size reported

View raw extracted JSON

{
  "study_type": "animal",
  "exposure": {
    "band": null,
    "source": "electric vehicle (vehicle electromagnetic radiation)",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Mice",
  "sample_size": null,
  "outcomes": [
    "Body weight",
    "Blood immune cells",
    "Immune function (mentioned as aim/verification)"
  ],
  "main_findings": "In a mouse experiment using a pure electric vehicle as the exposure source, results indicated significant gender differences in body weight, and the test was reported to have a significant effect on the body weight of female mice. The authors state that exposure time needs to be increased to determine whether there is a cumulative-effect impact, and that environmental differences between exposure and control groups may have influenced results.",
  "effect_direction": "unclear",
  "limitations": [
    "Exposure parameters (frequency, waveform/modulation, intensity) not reported in the abstract",
    "Test time/exposure duration considered insufficient to judge cumulative effects",
    "Environmental noise, temperature, and humidity differed slightly between exposure and control groups, potentially confounding results",
    "Mechanism described as unclear and lacking evidence (per authors)",
    "No sample size reported"
  ],
  "evidence_strength": "insufficient",
  "confidence": 0.66,
  "peer_reviewed_likely": "unknown",
  "keywords": [
    "electric vehicle",
    "vehicle electromagnetic radiation",
    "cumulative effect",
    "mice",
    "body weight",
    "blood immune cells",
    "immune function",
    "gender differences"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.2,
      "reason": "Exposure scenario involves time spent in vehicles; however the study focuses on passengers/occupants rather than a clearly occupational cohort."
    }
  ]
}

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AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1109/apemc53576.2022.9888471
PubMed: Not supplied

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