Alcohol is a CNS depressant. Alcohol is the most commonly abused drug in the world. Ethyl it has occuppied an important place in the history of humankind for at least 8000 years. In western society beer and wine were a main staple of daily life until the 19th century. Today Alcohol is widely consumed. Alcohol is one of the least potent drugs consumed by the human, yet Alcohol is the cause of more preventable morbidity and mortality than all other drugs combined with the exception of tobacco. Like other sedative hyponotic drugs, it in low to moderate amounts relieves the anxiety and fosters a feeling of well being and causes a reduction of the symptoms and hormonal changes associated with stress.