title: Xenobiosis: behaviour of foreign substances in the human body.
abstract: The Paracelesian doctrine that foods, drugs, and poisons are much the same, in that the type of effect they elicit depends mainly on the dose, is illustrated by reference to oxygen, ethanol, and caffeine. Potency and selectivity of drugs are considered in this light.
authors.affiliation: Australian National University, Canberra, Australia.
authors.forename: A
authors.initials: A
authors.lastname: Albert
mesh_terms: D002110:Caffeine / Q000378:metabolism; D000431:Ethanol / Q000378:metabolism; D005502:Food; D006801:Humans; D010101:Oxygen Consumption; D015262:Xenobiotics / Q000378:metabolism*
chemical_list: D015262:Xenobiotics; D002110:Caffeine; D000431:Ethanol