Effects of 100-μT extremely low frequency electromagnetic fields exposure on hematograms and blood chemistry in rats.

Journal of radiation research · 2016 · No effect · Moderate evidence

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No effectModerate evidencePaper 4742

Rats exposed to 100-μT/50-Hz ELF EMF for 20 h/day for three months showed no significant differences versus sham in general condition, hematograms, or blood chemistry measures (including lipid profile, blood glucose, liver and renal function).

Study snapshot

PublicationJournal of radiation research · 2016

Study typeanimal

Reported directionNo effect

Evidence ratingModerate

Abstract

The aim of this study was to test whether extremely low frequency electromagnetic fields (ELF EMFs) affect health or not. Here, we constructed a 100-μT/50 Hz electromagnetic field atmosphere. A total of 128 rats were randomly assigned into two groups: the ELF EMF group and the sham group. The ELF EMF group was exposed to 100-μT/50-Hz ELF EMF for 20 h per day for three months; at the same time the other group was exposed to a sham device without ELF EMF. During the three months, the weight was recorded every 2 weeks, and the water intake and food intake of the animals were recorded weekly. The hematologic parameters were detected before and after the exposure, whereas blood chemistry analysis was performed every 4 weeks. The general condition of the exposed rats was not affected by ELF EMF. Compared with the sham group, the hematograms were not significantly altered in the ELF EMF group. Similarly, the blood chemistry (including lipid profile, blood glucose, liver function and renal function of rats) from the ELF EMF group showed no difference compared with rats from the control group during the three months exposure. The present study indicated that short-term exposure of 100-μT/50-Hz ELF EMF may not affect hematograms and blood chemistry in rats.

Machine Enhanced Logic

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 directionno_effect

PopulationRats

Sample size128

ExposureELF · 0.05 MHz · 20 h/day for three months

Evidence strengthModerateConfidence: 78% · Peer reviewed: yes

Main findings

Outcomes measured

Body weight
Water intake
Food intake
Hematologic parameters (hematograms)
Blood chemistry (lipid profile, blood glucose, liver function, renal function)

Limitations

Study described as short-term exposure (three months)
Animal model; applicability to humans not addressed in abstract

View raw extracted JSON

{
  "study_type": "animal",
  "exposure": {
    "band": "ELF",
    "source": null,
    "frequency_mhz": 0.05,
    "sar_wkg": null,
    "duration": "20 h/day for three months"
  },
  "population": "Rats",
  "sample_size": 128,
  "outcomes": [
    "Body weight",
    "Water intake",
    "Food intake",
    "Hematologic parameters (hematograms)",
    "Blood chemistry (lipid profile, blood glucose, liver function, renal function)"
  ],
  "main_findings": "Rats exposed to 100-μT/50-Hz ELF EMF for 20 h/day for three months showed no significant differences versus sham in general condition, hematograms, or blood chemistry measures (including lipid profile, blood glucose, liver and renal function).",
  "effect_direction": "no_effect",
  "limitations": [
    "Study described as short-term exposure (three months)",
    "Animal model; applicability to humans not addressed in abstract"
  ],
  "evidence_strength": "moderate",
  "confidence": 0.78,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "extremely low frequency",
    "ELF EMF",
    "50 Hz",
    "100 μT",
    "rats",
    "hematograms",
    "blood chemistry",
    "lipid profile",
    "blood glucose",
    "liver function",
    "renal function",
    "sham exposure"
  ],
  "suggested_hubs": []
}

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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: 10.1093/jrr/rrv059
PubMed: 26404558

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