. "The Abernethy biscuit was invented by doctor John Abernethy in the 18th century as a digestive improver and hence aid to health.Abernethy believed that most diseases were due to disorders in digestion. The Abernethy biscuit is a type of digestive biscuit, a baked good originally designed to be eaten as a support to proper digestion."@en . . "Abernethy biscuit"@en . . . . "Hardtack,sugar,caraway seeds" .