Chapter 9 Environmental Science Environmental Health Chapter 9 Environmental Science

Section 1 Central Case What is the relationship between environmental health and our own health?

Section 1 Objectives 1. List the types of environmental health hazards 2. Compare and contrast epidemiology and toxicology 3. Describe the reasons why individuals respond differently to the same environmental hazards 4. Discuss risk assessment

Section 1 In what ways can a leaky sewer line threaten your health? Think on your then share with a partner

Section 1 The study of how environmental factors affect human health and our quality of life is called: Factors that threaten or are harmful to human health are called:

Section 1 Types of Environmental Hazards 1 Pathogens: 2 Examples: 3 4

Section 1 Epidemiology 1. 2. 3.

Section 1 Toxicology 1. 2. 3. 1 2

Section 1 Dose-Response Relationship 1. 2 3

Section 1 Individual Responses to hazards Factors affecting response: 2 3 4 5

Section 1 Sensitivity 1. 2 Genetics 1

Section 1 Risk Assessment 1. 2 1 3

Section 1 Risk Assessment Steps 1. 2

SECTION 2 Objectives 1. Describe how infectious diseases spread 2. Explain why emerging diseases are important to monitor and control 3. Differentiate between social hazards that are lifestyle choices and those that cannot be controlled

SECTION 2 Infectious Diseases Spread by: 1 2 3 Account for _____________ of all deaths each year

SECTION 2 Human Contact Can be transmitted by ___________, ________________, _________________, ________________, __________________.

SECTION 2 Contaminated water or food Other organisms

SECTION 2 Reducing Risk

SECTION 2 Emerging Diseases 1. 2. An outbreak that becomes widespread and affects a whole region, continent, or the world is a _________________.

SECTION 2 Why diseases spread: 1. 2 3 4

SECTION 2 Responding to Emerging Diseases International response:

SECTION 2 Social Hazards Ones you control: Ones out our your control:

SeCtion 3 Objectives 1. Explain what makes chemicals hazardous 2. Discuss how chemical hazards affect human health 3. List some indoor chemical hazards 4. Discuss where chemical hazards can be found in the environment 5. Discuss biomagnification

SeCtion 3 Chemical Hazards ––––––––––––: matter or energy released into the environment, causing negative effects that impact people, wildlife, and other aspects of the environment examples

SeCtion 3 Types of Chemical Hazards 1. 2. 3.

SeCtion 3 4. 5. 6.

SeCtion 3 Indoor Chemical Hazards 1. 2 3. 4 5

SeCtion 3 Outdoor Chemical Hazards 1 2

SeCtion 3 3.

SeCtion 3 Biomagnification The buildup of large concentrations of toxic substances in the body is _______________________. Biomagnification:

SeCtion 3 Persistent Organic Pollutants

Section 4 Objectives 1. Discuss how earthquakes affect structures on Earth’s surface 2. Discuss how volcanoes affect human lives and property 3. Describe tornadoes, hurricanes, and thunderstorms 4. Discuss the dangers of avalanches

Section 4 Earthquakes Causes: Surface effects: Landslides Tsunamis:

Section 4 Volcanoes: Causes: Damage:

Section 4 Storms Tornadoes Hurricanes

Section 4 Thunderstorms Avalanches