Caffeine is a legal, over-the-counter drug found in everything from soda to Sobe, cola to coffee. It is especially popular in high school and college in nerd circles, in part because it aids late night activity like coding and video games. In recent years, major beverage companies (and Jamba Juice) have popularized the natural caffeine source guarana, in large part because its come ups and come downs are less "jagged" than traditional sources.

Caffeine is the only drug in which the dosage does not have to be stated on the container. Who knows how much Mountain Dew, Pepsi, your root beer, or your coffee has in it? This is wrong. Sometimes you want more, sometimes less, but it should be written.

Caffeine can be acquired:

See more on caffeine at the wikipedia entry or the Student Health Center