W. C. Sellar (died 1951) and R. J. Yeatman were Britishhumourists who wrote for Punch, and are best known for their book1066 and All That (1930, ISBN ??), a tongue-in-cheek guide to "all the history you can remember".
... by experts are herbal medicines. These are usually harmless, and do not claim to treat anything important. In most countries there is no regulation of herbal medicines. ...