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Previous work examining the use of carbon dioxide sensing in schools suggests that user engagement and training are critical to success when attempting to manage indoor air quality at the room level

An earlier government ban on smoking indoors (which applies to everyone, not just government officials) has been mostly ignored, and while top officials have quit or never started, over half of Chinese men are smokers

Packing and handling of purchased lots is at the entire responsibility and risk of the purchaser

The other study reported that chronic exposure to cigarette smoke silences ILC2s by regulating the IL-33-ST2 axis 34