Every morning millions of people look forward to that first cup of coffee. They rely on it to help wake them up and start their day.
Caffeine is probably the world's most popular drug.
It is found in numerous beverages including coffee, tea and sodas. It is often an ingredient in headache medications. The amount of caffeine found in common products varies. Despite its widespread use and acceptance, we must remember that caffeine is drug. People can certainly become dependent on caffeine.