Generic term for an agent, usually a hormone (e.g., androsterone, testosterone), which stimulates activity of the accessory male sex organs, promotes development of male sex characteristics, or prevents changes in the latter that follow castration; natural androgens are steroids, derivatives of androstane.
IslamToday - English. Many people avoid brushing their teeth during the day in Ramadan. This is a mistake, since there is no contradiction between observing the fast and brushing one's teeth. We must understand that the word âsiwÃ¢kâ does not just refer to the tree branches that are used as tooth sticks, but to the act of brushing the teeth itself.
You are here. How to Prepare to Fast on Yom Kippur. The most important thing going into a fast is to try to hydrate as much as possible. If you can, start to drink extra water at least two days before the fast starts. Many people also find caffeine withdrawal a problem while fasting. If you consume caffeine regularly, try to decrease your caffeine intake in the time leading up to Yom Kippur so that it will not be a huge shock to your system.