2024 Yes Teachers' work-related non-literature-known building-related symptoms are also connected to indoor toxicity: A cross-sectional study https://onlinelibrary.wiley.com/doi/full/10.1111/ina.12822 Salin, Janne Europe Observational Teachers Dust Bacteria Respiratory symptoms Hearing Vision Stress/Anxiety Building related symptoms Indoor toxicity Microbial toxins Mitochondrial dysfunction Mitochondrial toxicity Sick building syndrome In 231 Finnish teachers, work-related symptoms were 2.9 times higher in classrooms with toxic dust and 1.8 times higher with toxic microbes, linking indoor environmental toxicity to broader health complaints beyond classical building-related symptoms. 2021