Local cerebral blood flow after microwave exposure.

{
  "study_type": "animal",
  "exposure": {
    "band": "microwave",
    "source": null,
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "conscious rat",
  "sample_size": null,
  "outcomes": [
    "local cerebral blood flow",
    "brain vascular permeability (contextual/implicated)"
  ],
  "main_findings": "Low power, pulsed microwave exposure induced a significant increase in local cerebral blood flow in the brain of the conscious rat. The authors state that prior studies on microwave-induced changes in brain vascular permeability should be re-evaluated in light of the observed blood-flow changes.",
  "effect_direction": "mixed",
  "limitations": [
    "No exposure parameters reported in abstract (e.g., frequency, SAR, duration).",
    "Sample size and experimental details not provided in abstract.",
    "Animal study; generalizability to humans not addressed in abstract."
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "microwave",
    "pulsed microwave",
    "low power",
    "cerebral blood flow",
    "rat",
    "brain",
    "vascular permeability"
  ],
  "suggested_hubs": []
}