06.10.2011 08.Tischrei. 5772
Experts agree that the optimal way to end the fast is to drink a couple of glasses of water or a sugared drink.
With a forecast for pleasant temperatures on Yom Kippur on Shabbat, the 25-hour fast should be easier, but experts say that heavy coffee, cola, cocoa or non-herbal tea drinkers should decrease their intake now to reduce the risk of headaches from caffeine withdrawal.
All adults and youngsters who plan to fast should drink more water than usual to “fill up their tank” and reduce the risk of dehydration and fainting, they add. But people who have an acute or chronic medical problem, take medications or underwent surgery recently as well as pregnant women should consult with their personal physicians (and rabbis, if they are observant) before Yom Kippur to learn whether they can fast….