Presentation Transcript
What isEnvironmental Health? : What is Environmental Health? A Student Introduction
What is the environment? : What is the environment?
What is health? : What is health?
Environmental Health? : Environmental Health? The study of how the environment
affects your health.
Good Things Around Us : Good Things Around Us There are many things around us that help us stay healthy.
Hazards : Hazards A hazard is anything in the environment that can hurt you or make you sick.
Environmental Health Careers : Environmental Health Careers People working in the field of environmental health . . .
The 7 Core Concepts : The 7 Core Concepts
A Toxic Word Game : A Toxic Word Game Toxic means _____________________. Toxic_____ is the study of poisons. Toxic___ is a measure of how dangerous a chemical is.
A Toxicity Scale : A Toxicity Scale
How would you rate these products? : How would you rate these products?
And the answers are… : And the answers are…
Exposure is : Exposure is The total amount of a hazard that comes in direct contact with your body.
The 3 parts of exposure : The 3 parts of exposure The
Source
of the hazard
(bus exhaust) The
Environmental
Pathway
(air) The
Contact
(inhaled fumes)
Which route will the hazards take? : Which route will the hazards take?
Route #1: Inhalation : Route #1: Inhalation
Route #2: Ingestion : Route #2: Ingestion
Route #3: Dermal Absorption : Route #3: Dermal Absorption
What is dose? : What is dose? Dose Dose is the amount of a hazard that actually enters your body.
Dose can depend on… : Dose can depend on… Duration of Exposure:
How long? Frequency of Exposure:
How often? Body Size:
How big or small are you?
Duration of Exposure : Duration of Exposure 30 minutes of sun exposure
Duration of Exposure : Duration of Exposure But 4 hours of sun exposure
Dose & Body Size : Dose & Body Size
A Dose Experiment : A Dose Experiment
A Dose Experiment - Step 1 : A Dose Experiment - Step 1 L
A Dose Experiment - Step 2 : A Dose Experiment - Step 2 L M
A Dose Experiment - Step 3 : A Dose Experiment - Step 3 L M s
Dose/Response Relationship : Dose/Response Relationship 1 can of pop in 15 minutes 3 cans of pop in 15 minutes
Individual Susceptibility : Individual Susceptibility Why are these people more likely to be harmed by exposure to a hazard than the man below?
Individual Susceptibility : Individual Susceptibility Pregnant women and their developing babies Elderly people whose defense mechanisms are less efficient Infants and children who are still developing Sick people who have weakened immune systems
Genes & Susceptibility : Genes & Susceptibility
What are the risks & benefits? : What are the risks & benefits? 1 2 3
Risks & Benefits : Risks & Benefits What are the risks and benefits when grape growers use pesticides on their crops?
Risks & Benefits : Risks & Benefits RISKS BENEFITS No bugs!
Better looking fruit that is more visually appealing
Bigger crops so farmers can make more profit People ingest pesticides with the fruit and get sick
Pesticides get into dirt and water
Animals ingest pesticides and get sick
What is environmental justice? : What is environmental justice?
The EJ Process : The EJ Process
Where can you go for information? : Where can you go for information? Your Town
How can you take action? : How can you take action?
Any Questions? : Any Questions?
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