This article was originally published on RealClearScience.
You emit gas. The most obvious and offensive comes from your posterior, but that’s not the only gas you emit. Your body is constantly oozing volatile organic compounds (VOCs) — small molecules that easily enter a gaseous state due to their high vapor pressure — in breath, sweat, urine, feces, and even saliva. VOCs are responsible, for instance, for the similar aromas that emanate from dairy farms and men’s restrooms. Continue reading