Ale to the selling of beer labeled "strong beer" that had actually been diluted with small beer. In medieval times, ale may have been safer to drink than most water (the germ theory of disease was unheard of, and the sterilizing properties of boiling unknown); however, there is no period evidence that people were aware of this nor that they chose to drink ale for this reason. The alcohol, hops, and some ingredients in gruit used to preserve some ales may have contributed to their lower load of pathogens, when compared to water. However, ale was largely safer due to the
Cock ale Cock ale Cock ale, popular in 17th and 18th-century England, was an ale whose recipe consisted of normal ale brewed inside a container, to which was later added a bag stuffed with a parboiled, skinned and gutted cock, and various fruits and spices. The "Oxford English Dictionary", which describes Cock ale as "ale mixed with the jelly or minced meat of a boiled cock, besides other ingredients", dates the drink's earliest mention to the mid 17th century, in Kenelm Digby's "Closet Opened" (published in 1669). Included as a recipe, Digby's guide prescribes: A similar recipe was printed in 1739 in