Rating Newest Oldest. Best Answer: The USS Gerald R. Ford will be the biggest in 2015, the Nimitz class are all roughly the same size, with the USS George H.W. Bush being the latest and last of the Nimitz class. USS Gerald. R. Ford. http://en.wikipedia.org/wiki/USS_Gerald_...
Caffeine works primarily in the brain, where it affects the function of neurotransmitters and exerts a stimulant effect. If you drink too much coffee in a short amount of time, you will experience symptoms mostly related to your brain and digestive system.
Caffeine is a bitter substance found in coffee, tea, soft drinks, chocolate, kola nuts, and certain medicines. It has many effects on the body's metabolism, including stimulating the central nervous system. This can make you more alert and give you a boost of energy. For most people, the amount of caffeine in two to four cups of coffee a day is not harmful. However, too much caffeine can cause problems.