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.
At night, your mouth is much less active, which allows bacteria more time to grow without being mechanicalyl sloughed off. Many years ago my orthodontist told me that it was most important to brush your teeth before going to sleep (I guess either for the night, or for a nap). Saliva production is down, and if you happen to sleep with your mouth gaping open, your teeth dry out and don't have that protective layer of saliva.