Nerve cell damage in mammalian brain after exposure to microwaves from GSM mobile phones

PAPER manual Environ Health Perspect 2003 Animal study Effect: harm Evidence: Low

Read original paper → DOI: 10.1289/ehp.6039 PMID: 12782486 Evidence Lab

Abstract

The possible risks of radio-frequency electromagnetic fields for the human body is a growing concern for our society. We have previously shown that weak pulsed microwaves give rise to a significant leakage of albumin through the blood-brain barrier. In this study we investigated whether a pathologic leakage across the blood-brain barrier might be combined with damage to the neurons. Three groups each of eight rats were exposed for 2 hr to Global System for Mobile Communications (GSM) mobile phone electromagnetic fields of different strengths. We found highly significant (p< 0.002) evidence for neuronal damage in the cortex, hippocampus, and basal ganglia in the brains of exposed rats.

AI evidence extraction

At a glance

Study type

Animal study

Effect direction

harm

Population

Rats

Sample size

Exposure

microwave mobile phone · 2 hr

Evidence strength

Low

Confidence: 78% · Peer-reviewed: yes

Main findings

Three groups of eight rats were exposed for 2 hr to GSM mobile phone electromagnetic fields of different strengths. The study reports highly significant evidence (p < 0.002) for neuronal damage in the cortex, hippocampus, and basal ganglia in exposed rats.

Outcomes measured

Blood-brain barrier leakage (albumin)
Neuronal damage in brain regions (cortex, hippocampus, basal ganglia)

Limitations

Frequency not reported in abstract
SAR/exposure levels not reported in abstract
Outcome assessment methods not described in abstract
Details of control/sham exposure not described in abstract

Suggested hubs

mobile-phones-rf (0.9)
Animal study of GSM mobile phone RF/microwave exposure and brain outcomes.

View raw extracted JSON

{
    "study_type": "animal",
    "exposure": {
        "band": "microwave",
        "source": "mobile phone",
        "frequency_mhz": null,
        "sar_wkg": null,
        "duration": "2 hr"
    },
    "population": "Rats",
    "sample_size": 24,
    "outcomes": [
        "Blood-brain barrier leakage (albumin)",
        "Neuronal damage in brain regions (cortex, hippocampus, basal ganglia)"
    ],
    "main_findings": "Three groups of eight rats were exposed for 2 hr to GSM mobile phone electromagnetic fields of different strengths. The study reports highly significant evidence (p < 0.002) for neuronal damage in the cortex, hippocampus, and basal ganglia in exposed rats.",
    "effect_direction": "harm",
    "limitations": [
        "Frequency not reported in abstract",
        "SAR/exposure levels not reported in abstract",
        "Outcome assessment methods not described in abstract",
        "Details of control/sham exposure not described in abstract"
    ],
    "evidence_strength": "low",
    "confidence": 0.7800000000000000266453525910037569701671600341796875,
    "peer_reviewed_likely": "yes",
    "keywords": [
        "GSM",
        "mobile phone",
        "microwaves",
        "radio-frequency electromagnetic fields",
        "rats",
        "blood-brain barrier",
        "albumin leakage",
        "neuronal damage",
        "cortex",
        "hippocampus",
        "basal ganglia"
    ],
    "suggested_hubs": [
        {
            "slug": "mobile-phones-rf",
            "weight": 0.90000000000000002220446049250313080847263336181640625,
            "reason": "Animal study of GSM mobile phone RF/microwave exposure and brain outcomes."
        }
    ]
}

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

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