Okay, so VOCs... but also fungus: https://www.youtube.com/watch?v=Qv-iluydZOo https://www.youtube.com/watch?v=Qv-iluydZOo note: this mentions the VOCs, as well

Okay, so VOCs... but also fungus: https://www.youtube.com/watch?v=Qv-iluydZOo https://www.youtube.com/watch?v=Qv-iluydZOo note: this mentions the VOCs, as well, because the study was done in 1980!