These include coffee and cocoa beans, kola nuts, and tea leaves which are used to make drinks like coffee, tea, and pop, and foods like chocolate. Caffeine is also used to make drugs such as cold medicine.
Caffeine is a mild stimulant.
This means that it increases the activity of the central nervous system. Caffeine can affect people by making them more aware or hyper or by giving them a quik burst of energy. Too much caffeine may cause you to lose sleep or even to have convulsions. Read the question and click on your answer. Mountain Dew has the most caffeine of any drink.