Contents
Introduction
7
1. What is caffeine?
10
2. What’s the downside of caffeine?
12
3. What happens inside your body when you use caffeine?
14
4. Where does caffeine come from?
16
5. Why do people use caffeine?
18
6. How do people get caffeine?
20
7. How does caffeine make you feel?
22
8. What does caffeine do to your brain?
And what does it do to the rest of your body?
24
9. How can caffeine make you sick?
26
10. Is caffeine addictive?
28
11. How does caffeine affect your sleep?
30
12. How much caffeine is too much?
32
13. Should I mix caffeine and sports?
34
14. Does caffeine change how well you do in school?
36
15. Caffeine content per serving in milligrams
38
16. More questions?
40
Further Reading
42
Find Out More on the Internet
43
Glossary
44
Index
46
Picture Credits
47
About the Author and the Consultant
48




