Dangers of Alcohol. consume alcohol begin to become a habit most people today, both because of social or environmental factors because the demands of work. Excessive alcohol consumption can increase the risk of health problems such as liver disorders or unintentional accident. Alcohol is the result of fermentation of yeast with the chemical name ethyl alcohol or ethanol. Alcohol is usually found in drinks such as beer, wine or other liquor. Alcohol affects our organs, because pressing the central nervous system. Actually alcohol is metabolized in the liver by enzymes, but the liver can only metabolize alcohol in small amounts, so the rest will enter the blood circulation & effect on the nervous system. The effect of alcohol depends on the amount of alcohol consumed per person.