Eloise Newman

61%
Flag icon
The concentration of hydrogen sulphide in offensive human flatus is around 1 to 3 parts per million. Harmless. Ramp it up to 1,000 parts per million – as can exist in manure pits and sewage tanks – and a couple breaths can cause respiratory paralysis and suffocation. Workers die this way often enough that a pair of doctors, writing in a medical journal, coined a name for it: dung lung.
Gulp: Adventures on the Alimentary Canal
Rate this book
Clear rating
Open Preview