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
Ale on Trent, which are often called pale ales regardless of the method of dispatch. In the nineteenth century, the Bow Brewery in England exported beer to India, including a pale ale that benefited from the duration of the voyage and was highly regarded among consumers in India. To avoid spoilage, Bow and other brewers added extra hops as a natural preservative. This beer was the first of a style of export ale that became known as India Pale Ale or IPA. Developed in hope of winning the younger people away from drinking lager in favour of cask ales, it is