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Ch 17: Factors Influencing Health

About This Chapter

This series of short, engaging lesson videos will help you improve your understanding of the factors that affect the emergence, spread, and progressions of diseases, effects of toxicants on children, and precautionary health measures.

Factors Influencing Health - Chapter Summary

Complete these lessons to improve your knowledge of the factors that affect diseases and toxicants, as well as the some of the precautionary steps and tools used to prevent illnesses. Each lesson is taught by an expert instructor who will explain these topics and be available, through the teacher tab of the lessons, to answer any questions you may have about the material. Watch these videos to reinforce your understanding of:

  • Types of disease-causing agents in the environment
  • Relationship between environmental change and the emergence of diseases
  • Reasons children are more susceptible to toxicants
  • Elements of the precautionary principle
  • New precautionary technologies and products
  • How the normal human flora helps prevent disease

Take advantage of the versatility of these lessons and watch them on your mobile devices whenever you have a spare moment but are not at a computer. After watching these lesson videos, fortify your retention of the information presented in them by reading the lesson transcripts. You can also test your understanding of the material after completing a lesson by taking the lesson's quiz. These quizzes will help you identify topics you don't fully understand and provide you with links to the parts of lessons that explained them. Use these links to go to and study these sections of the lessons and improve your understanding of the chapter.

5 Lessons in Chapter 17: Factors Influencing Health
Test your knowledge with a 30-question chapter practice test
Disease-Causing Agents in the Environment: Definition and Types

1. Disease-Causing Agents in the Environment: Definition and Types

In this video lesson, you will identify different disease-causing agents. You will also explore examples of types of disease-causing agents and their effects on human health.

Emerging Diseases Linked to Environmental Change

2. Emerging Diseases Linked to Environmental Change

In this video lesson, you learn about why some diseases are increasing on Earth due to environmental changes. You'll also see examples of different types of diseases that are responding to environmental changes and how they are becoming more prevalent.

Toxicants and Children: Why Children Are More Susceptible

3. Toxicants and Children: Why Children Are More Susceptible

Despite their small size, children are more susceptible to environmental toxicants. In this video lesson, you will learn why toxicants often have greater effects on children than adults.

The Precautionary Principle and New Technologies & Products

4. The Precautionary Principle and New Technologies & Products

In this lesson, you will learn about the precautionary principle and how it applies to new technologies and products. You will also learn about how this principle is applied in different government regulations.

Preventing Disease: Normal Human Flora

5. Preventing Disease: Normal Human Flora

This lesson will give you a basic understanding of what human flora is. You'll learn about the different locations of flora, such as the gut, and what mutualistic, commensal, and opportunistic microbes are.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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