Health & Wellness Grade 8

Chapter 8: Communicable and Chronic Diseases

Chapter Summary

Lesson 1
Many illnesses are spread by direct and indirect contact between infected and noninfected persons. Applying a number of commonsense precautions can help prevent the spread of these diseases.

Lesson 2
The body has a number of built-in defenders against infection, including the immune system.

Lesson 3
Sexually transmitted diseases take different forms, but abstinence is the key to their prevention.

Lesson 4
Knowing and following safe behavior prevent the spread of HIV infections and AIDS.

Lesson 5
Regular exercise and a healthful lifestyle can reduce cases of cardiovascular diseases, the leading cause of death in the United States.

Lesson 6
Cancer comes in many forms. Healthful behavior can reduce the risk of cancer.

Lesson 7
Chronic health conditions are persistent and recurring. All require medical treatment.