Biological effects of electromagnetic fields.

{
  "study_type": "review",
  "exposure": {
    "band": null,
    "source": "multiple (power/transmission lines, electrical devices, cellular telephones, wireless communication towers)",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "biological effects (general)",
    "effects on mammalian immune system cell lines"
  ],
  "main_findings": "This review aims to summarize reported biological effects of electromagnetic fields from various sources including power/transmission lines, household/workplace electronic devices, cellular telephones, and wireless communication towers, with particular attention to effects on mammalian immune system cell lines.",
  "effect_direction": "unclear",
  "limitations": [
    "No specific frequencies, exposure metrics (e.g., SAR), durations, or quantitative results are provided in the abstract.",
    "Outcomes and conclusions are described broadly without detailing specific endpoints or effect sizes."
  ],
  "evidence_strength": "insufficient",
  "confidence": 0.62,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "electromagnetic fields",
    "power lines",
    "transmission lines",
    "electronic devices",
    "cellular telephones",
    "wireless communication towers",
    "immune system",
    "cell lines",
    "biological effects"
  ],
  "suggested_hubs": [
    {
      "slug": "who-icnirp",
      "weight": 0.2,
      "reason": "General review of EMF biological effects; no specific guideline/policy content stated."
    }
  ]
}