[Effect of Earth magnetic field on circadian rhythm of total antioxidant capacity of human saliva in the North].

PAPER pubmed Advances in gerontology = Uspekhi gerontologii 2007 Unknown Effect: harm Evidence: Insufficient

Read original paper → PMID: 18383711 Evidence Lab

Abstract

In the inhabitants of the North during increase of geomagnetic activity and during magnetic calm the decrease of amplitude of circadian rhythm of total antioxidant capacity of saliva is observed. The most favorable conditions to display the circadian rhythm are observed at Kp from 0,5 up to 2. The long residing in the North is connected to influence of irregularly varying geomagnetic activity causing disturbance of function of circadian and antioxidant systems that, probably, is one of the reasons of acceleration of process of aging at northerner and of higher risk of occurrence in them the age associated diseases.

AI evidence extraction

At a glance

Study type

Unknown

Effect direction

harm

Population

inhabitants of the North (humans)

Sample size

—

Exposure

Earth magnetic field / geomagnetic activity

Evidence strength

Insufficient

Confidence: 62% · Peer-reviewed: yes

Main findings

Among inhabitants of the North, during increased geomagnetic activity and during magnetic calm, a decrease in the amplitude of the circadian rhythm of total antioxidant capacity of saliva was observed. The most favorable conditions for displaying the circadian rhythm were reported at Kp 0.5 to 2. The authors suggest that long residence in the North with irregularly varying geomagnetic activity may disturb circadian and antioxidant system function and may contribute to accelerated aging and higher risk of age-associated diseases.

Outcomes measured

circadian rhythm amplitude of total antioxidant capacity of saliva
circadian system disturbance (suggested)
antioxidant system disturbance (suggested)
accelerated aging risk (suggested)
risk of age-associated diseases (suggested)

Limitations

Study design not described in abstract (e.g., observational vs experimental unclear)
Sample size not reported
Exposure characterization limited to geomagnetic activity/Kp without further measurement details
Potential confounding factors not described
Causal claims (aging/disease risk) appear speculative in the abstract

View raw extracted JSON

{
    "study_type": "unknown",
    "exposure": {
        "band": null,
        "source": "Earth magnetic field / geomagnetic activity",
        "frequency_mhz": null,
        "sar_wkg": null,
        "duration": null
    },
    "population": "inhabitants of the North (humans)",
    "sample_size": null,
    "outcomes": [
        "circadian rhythm amplitude of total antioxidant capacity of saliva",
        "circadian system disturbance (suggested)",
        "antioxidant system disturbance (suggested)",
        "accelerated aging risk (suggested)",
        "risk of age-associated diseases (suggested)"
    ],
    "main_findings": "Among inhabitants of the North, during increased geomagnetic activity and during magnetic calm, a decrease in the amplitude of the circadian rhythm of total antioxidant capacity of saliva was observed. The most favorable conditions for displaying the circadian rhythm were reported at Kp 0.5 to 2. The authors suggest that long residence in the North with irregularly varying geomagnetic activity may disturb circadian and antioxidant system function and may contribute to accelerated aging and higher risk of age-associated diseases.",
    "effect_direction": "harm",
    "limitations": [
        "Study design not described in abstract (e.g., observational vs experimental unclear)",
        "Sample size not reported",
        "Exposure characterization limited to geomagnetic activity/Kp without further measurement details",
        "Potential confounding factors not described",
        "Causal claims (aging/disease risk) appear speculative in the abstract"
    ],
    "evidence_strength": "insufficient",
    "confidence": 0.61999999999999999555910790149937383830547332763671875,
    "peer_reviewed_likely": "yes",
    "keywords": [
        "geomagnetic activity",
        "Earth magnetic field",
        "Kp index",
        "circadian rhythm",
        "total antioxidant capacity",
        "saliva",
        "North",
        "aging"
    ],
    "suggested_hubs": []
}

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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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