Human poo can also contain all sorts of weird chemicals, depending on what medication the human is consuming at the time. Not to mention more ordinary things like caffeine. Human pee is similar.
In the old days when they used to collect the stuff as fertilizer, far fewer people were taking any kind of drugs, and those that they were would have been mainly natural products, like aspirin.
In the old days when they used to collect the stuff as fertilizer, far fewer people were taking any kind of drugs, and those that they were would have been mainly natural products, like aspirin.
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