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
Ziyarat Ale Yasin was lived in the terminal period of the minor occultation and likewise many of his letters to the twelfth Imam of Shia (Mahdi) have been narrated, according to source(s). One Tawqi which contains the Ziyarat Ale Yasin, can be considered as one of those letters. Sheikh Abbas Qomi narrates Ziyarat Ale Yasin in Mafatih al-Janan as the first Ziyarat for Imam Mahdi. Ziyarat Ale Yasin starts with the following phrases: "Peace be upon (the) progeny of Yaseen. Peace be upon you, O the caller of Allah and place of manifestation of His signs. Peace be upon you, O the door