[Levels of immunoglobulin and subpopulations of T lymphocytes and NK cells in men occupationally exposed to microwave radiation in frequencies of 6-12 GHz].

{
  "study_type": "other",
  "exposure": {
    "band": "microwave",
    "source": "occupational",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Men working at TV re-transmission and satellite communication centres (occupationally exposed to microwave radiation, 6–12 GHz).",
  "sample_size": null,
  "outcomes": [
    "IgG concentration",
    "IgA concentration",
    "lymphocyte count",
    "T8 lymphocyte count",
    "NK cell count",
    "T-helper/T-suppressor ratio",
    "clinical implications of immune changes"
  ],
  "main_findings": "Workers occupationally exposed to microwave radiation showed increased IgG and IgA concentrations, increased lymphocyte and T8 lymphocyte counts, decreased NK cell counts, and a lower T-helper/T-suppressor ratio. The abstract states these immune changes had no clinical implications.",
  "effect_direction": "mixed",
  "limitations": [
    "Sample size not reported in the abstract/metadata.",
    "Exposure metrics (e.g., power density, SAR, duration) not reported in the abstract/metadata.",
    "Study design details (randomization, control selection, blinding) not described in the abstract."
  ],
  "evidence_strength": "low",
  "confidence": 0.62,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "microwave radiation",
    "occupational exposure",
    "6-12 GHz",
    "immunoglobulins",
    "IgG",
    "IgA",
    "T lymphocytes",
    "T8 lymphocytes",
    "NK cells",
    "T-helper/T-suppressor ratio",
    "satellite communication",
    "TV retransmission"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.9,
      "reason": "Study population is workers occupationally exposed to microwave radiation at communication centres."
    }
  ]
}