unit 6 the greatest risks to health and wellness

Unit 6The Greatest Risks

to Health and Wellness

Chapter 20Tobacco

© Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc. 3

Chapter Objectives

1. Explain how tobacco products harm the body

2. Describe the structure and function of the respiratory system

3. List and explain the diseases associated with tobacco use

4. Explain why it is hard for teens who smoke to quit(continues)

© Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc. 4

Chapter Objectives (continued)

5. List ways you can help someone quit smoking

6. Explain why there is no such thing as a safe cigarette

© Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc. 5

Introduction

• Cigarette smoking is the number one preventable cause of death and illness in the United States

• Most smokers begin smoking during their teenage years

© Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc. 6

Respiratory System

• Structure of the respiratory system

• Breathing (respiration)

• Defenses of the lungs

© Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc. 7

Respiratory SystemHyoid bone

Trachea

Larynx

LungPrimary bronchi

Secondary bronchus

Tertiary bronchi Bronchiole

BronchioleTertiary bronchiole

Alveoli (sectioned)

Alveolar duct

Alveoli

Respiratory bronchioles

© Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc. 8

Effects of Tobacco Smoke

• Tobacco smoke is harmful to– Respiratory system– Circulatory system– Appearance – Others

© Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc. 9

Various Types of Tobacco

• Low-tar, low-nicotine cigarettes

• Bidi cigarettes

• Smokeless tobacco

© Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc. 10

Quitting Smoking

• Smoking is a strong habit both physically and psychologically

• It requires courage to quit

• A social support network of people who encourage the quitting smoker is helpful

• Ideas for helping others quit

© Copyright 2005 Delmar Learning, a division of Thomson Learning, Inc. 11

Summary

• Tobacco use leads to many health problems, in addition to being expensive, unpleasant, and an enslaving addiction

• Even nonsmokers can suffer health problems from contact with environmental smoke

• Quitting smoking takes effort, but it is possible