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.
According to the FDA,  400 mg per day of caffeine (thatâs about four cups of coffee) is a safe amount of caffeine for healthy adults. But too much caffeineâ500 to 600 mgâcan be dangerous, causing restlessness, tremors, irritability, insomnia and stomach upset. The problem is, most of us donât just consume caffeine in coffee, but in chocolate and soda as well.