Caffeine is an ingredient found in many foods that stimulates the central nervous system. The central nervous system is composed of the brain and spinal cord. Your brain and spinal cord serve as the main "processing center" for the entire nervous system, and control all the workings of your body. Caffeine creates energy and is commonly used to waken people when they are feeling drowsy or to give them a boost when they are tired. Caffeine creates energy through its chemical compounds which include C8H10N4O2, has a molar mass of 194.19 grams, and soluble found in organic solvents. Caffeine is placed into small doses of soft drinks and has somewhat of a bitter taste. Caffeine is added to products because it is an addicting drug; it is like nicotine because you brain has transmitters that need a specific intake for your body to be satisfied. Nearly one hundred million people have some form of caffeine each day relying on drinks such as soda or coffee. Most avid caffeine drinkers will resolute to diet drinks which contain up to 40% more caffeine then non-diet drinks. It is not encouraged for pregnant women to consume caffeine because the drug can have long term affects on the offspring. However, caffeine is not harmful to the average consumer as long as you take precautions and stay hydrated! Caffeine overdose occurs when a consumer uses more then necessary daily, this usually results in dehydration and poor upkeep of homeostasis.