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            "text": "light {I might add: many have photosensitivity, and may also have visual auras, some of which could be (light-provoked) auras}"
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                    "text": "sound",
                    "marker": "-"
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                    "text": "odors",
                    "marker": "-"
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                    "text": "complex sensory environments",
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            "text": "One hypothesis is that years of repeated multisensory exposure could influence central sensory processing in susceptible individuals. This remains speculative for disease onset. (Source: ChatGPT)"
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            "text": "Odor exposure"
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            "text": "Industrial sources may emit odors from:"
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                    "text": "chemical use",
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                    "text": "wastewater treatment",
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                    "text": "(petroleum refining and food processing)",
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                    "text": "diesel powered equipment",
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            "text": "Systematic reviews of industrial odor exposure report associations with symptoms including headache, nausea, and stress, although odor itself is difficult to separate from coexisting environmental factors. (Source: ChatGPT with edits; National Library of Medicine/PubMed Central)"
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            "id": "p21.8",
            "order": 15,
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            "bbox": {
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            "text": "5. Industrial odour pollution and human health; a systematic review and meta-analysis",
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            "id": "p21.9",
            "order": 16,
            "type": "heading",
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            },
            "text": "Results:",
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            },
            "level": 3
        },
        {
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            "order": 17,
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            "text": "\"Thirty studies were eligible for this review, mainly cross-sectional (n = 23). Only one study involved school-age children and two studies involved workers. Only five studies reported odour effects on objective laboratory or clinical outcomes. Animal Feeding Operations and waste were the most common industrial sources.\""
        },
        {
            "id": "p21.11",
            "order": 18,
            "type": "text",
            "bbox": {
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            "text": "“The overall odds ratios in exposed versus not exposed population were 1.15 (95% CI 1.01 to 1.29) for headache (7 studies), 1.09 (95% CI 0.88 to 1.30) for nausea/vomiting (7 studies), and 1.27 (95% CI 1.10 to 1.44) for cough/phlegm (5 studies). Heterogeneity was a moderate concern. Overall, the body of evidence was affected by a definitely high risk of bias in exposure and outcome assessment since most studies used self-reported information.”"
        },
        {
            "id": "p21.12",
            "order": 19,
            "type": "heading",
            "bbox": {
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            "text": "Conclusions:",
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            "level": 3
        },
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            "bbox": {
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            },
            "text": "“Findings underline the public health importance of odour pollution for population living nearby industrial odour sources. The limited evidence for most outcomes supports the need"
        },
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            "order": 21,
            "type": "footer",
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            "text": "Page 21 of 113",
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