In this practical article from Judaism 101, the author, Tracey Rich, provides helpful tips to stay healthy during the Yom Kippur fast. Including suggestions for before and during the fast, this article suggests what types of food, drink and activity can help and hinder an easy, meaningful fast, such as tapering off caffeine and increasing your intake of water in the days leading up to the fast, not overeating during your pre-fast meal, and spending some time in synagogue on Yom Kippur.