[Electromagnetic bioengineering]

{
  "study_type": "review",
  "exposure": {
    "band": "ELF",
    "source": "other",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "physicochemical and biological systems",
  "sample_size": null,
  "outcomes": [
    "chemical reactivity",
    "ion conductivity"
  ],
  "main_findings": "This paper generalises experimental and theoretical studies on the combined action of weak electrical fields and constant and variable low-frequency magnetic fields on physicochemical and biological systems. It reports that weak magnetic fields with parameters close to the geomagnetic field selectively affect aqueous solutions of organic molecules by initiating chemical reactivity and ion conductivity processes.",
  "effect_direction": "mixed",
  "limitations": [
    "Appears to be a generalising review rather than a single primary study",
    "No sample size reported in the abstract",
    "Exposure parameters are not quantified in the abstract",
    "Biological outcomes are described broadly without detailed effect estimates"
  ],
  "evidence_strength": "low",
  "confidence": 0.79,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "electromagnetic bioengineering",
    "weak electrical fields",
    "low-frequency magnetic fields",
    "geomagnetic field",
    "chemical reactivity",
    "ion conductivity",
    "aqueous solutions",
    "organic molecules"
  ],
  "suggested_hubs": []
}