A tooth crown is an artificial cap that covers and protects a tooth. A crown completely encases a tooth, starting at the gums. Crowns are used to recondition teeth, improving strength, size, shape and appearance.
Alcohol is a complex drug, and both the fat and water soluble affect all the organs and tissues of the body. Drinking alcohol at young age affects at the higher rate of tumors of the breast, the liver and the mouth along with an added susceptibility to the high blood pressure. The concentration and the coordination of the person while driving affects and are dangerous when drunk.
Another one of alcohol's agreeable effects is body relaxation, possibly caused by neurons transmitting electrical signals in an alpha waves-pattern; such waves are observed (with the aid of EEGs) when the body is relaxed. Short-term effects of alcohol include the risk of injuries, violence and fetal damage. Alcohol has also been linked with lowered inhibitions, though it is unclear to what degree this is chemical versus psychological as studies with placebos can often duplicate the social effects of alcohol at low to moderate doses.