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HLT 555 All Weeks Discussions GCU

Why are studies on the

Why are studies on the health effects of smoking among individual who smoke not a concern of environmental epidemiology? Explain the reason why exposure to secondhand cigarette smoke is a concern of this discipline. Discussion 2 Explain why you and your classmates may have a different response to the same exposure to a chemical. Provide a specific example. HLT 555 Week 3 Discussions Discussion 1 What are some examples of environmental sources of exposure of populations to toxic heavy metals? What factors can exacerbate the effects of toxic exposures on populations with low socioeconomic status? Discussion 2 What types of injury of public health concern are associated with exposure to each of the different forms of radiation? How does the risk of each injury vary with the dose of the radiation in question? HLT 555 Week 4 Discussions Discussion 1 How do vectors play a role in the transmission of disease? What are some procedures for control and prevention? Provide a specific example. Discussion 2 Unlike other toxins or contaminants with which the public can come into contact, pesticides are intentionally applied to food, living spaces, and people. What are some of the risk-benefit issues in the application of pesticides? Is the risk justified? Explain your position.

HLT 555 Week 5 Discussions Discussion 1 Explore the following statement: “The answer to a waterborne disease outbreak is to ‘shock’ chlorinate.” What health risks would be mitigated with this approach? What new health risks might emerge from the application of large doses of chlorine? Discussion 2 What actions can be taken to lower air pollution emissions? Consider actions that can be taken at the individual, community, and government levels. HLT 555 Week 6 Discussions Discussion 1 What are the different types of solid waste and how are they identified? What are the different approaches to solid waste management? Discussion 2 What are some alternatives to sewer systems for disposal of human waste? To what extent could these alternatives replace municipal sewer systems? Discuss their advantages and disadvantages. HLT 555 Week 7 Discussions Discussion 1 Describe the categories of hazards that may be present in foods and suggest methods for their control and prevention. Discussion 2 How do food recalls contribute to the safety of our nation’s food supply? What do you think are some strengths and weaknesses of this process?

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