A growing body of research indicates there are potentially large health benefits to improving indoor air quality. Indoor spaces are often poorly ventilated and expose occupants to high levels of contaminants, such as pathogens, particulates, and other pollutants. Because people spend nearly all their time indoors, improving indoor air quality would hugely benefit public health. (For more on the potential benefits of improving indoor air quality, see Juan Cambeiro and my recent
We need more research on how CO2 affects cognition