There was a regular terror of a countess with an anaerobic system; and she told me, downright brutally, that I'd better learn something about them before my children died of diphtheria.
"Misalliance"
George Bernard Shaw
The heavy solids sink to the bottom and anaerobic bacteria, which develop only where there is no oxygen, breed rapidly and break these up so that they rise to the top and provide the ever present scum which excludes all air and stimulates fermentation of the entire content.
"If You're Going to Live in the Country"
Thomas H. Ormsbee and Richmond Huntley
Many of the waste products of anaerobic putrefaction are highly toxic and evil smelling; when these toxins are absorbed through the small or large intestines they are very irritating to the mucous membranes, frequently contributing to or causing cancer of the colon.
"How and When to Be Your Own Doctor"
Dr. Isabelle A. Moser with Steve Solomon