Over 100,000 metric tons of caffeine are consumed around the world every year. That¡¯s equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven¡¯t had enough sleep — but it can also raise our blood pressure and make us feel anxious.
QUESTIONS:
1. Define caffeine. What are the benefits and disadvantages of caffeine?
2. What makes you think coffee keeps me awake?
3. Are you addicted to caffeine? If so, is this a problem?