Health Book

What is good health?     4
Why is it important to have a healthy diet?     6
What can exercise do for you?     8
How does hygiene affect your health?     10
What happens to your body when you sleep?     12
What is pain?     14
How does the body defend against germs?     16
How does homeostasis protect your body?     18
How does disease spread?     20
What are common childhood diseases?     22
What causes allergies and asthma?     24
What are some different types of medicines?     26
Why do diabetics need insulin?     28
What are autoimmune diseases?     30
How does heart disease develop?     32
What is cancer?     34
How do cigarettes and alcohol harm your body?     36
Why is too much sunshine dangerous to your health?     38
How do thoughts and feelings affect your health?     40
What are eating disorders?     42
Health careers     44
Young scientists at work     45
Take a health survey     46
Fast Facts     47
Glossary/Index     48