Humorously conveyed facts in the form of a comedy sketch from Cracked. And really it's amazing how addicted we are to that first cup of coffee in the morning. The small brown seeds of the coffee plant are the world's most widely consumed central nervous system stimulant. Only centuries of consumption could get the entire world addicted to black liquid that raises blood pressure and increases stress. But good marketing is what gets you to pay exorbitant prices for blends of that you really can't tell from regular coffee.