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The American Public Health Association defines public health as the promotion and protection of health for the people and their communities. (“American Public Health Association,” 2019) Whereas, the World Health Organization defines public health as “the art and science of preventing disease, prolonging life and promoting health through the organized efforts of society.” (“World Health Organization,” 2019) In comparison, the Centers for Disease Control and Prevention defines public health as a science that protects and improves the health of people and the communities. (“Centers for Disease Control and Prevention,” 2019) Therefore, all three organization view public health as protecting the health of the people. However, the one that represents the 21^st century is the WHO, because their definition depicts a holistic approach by preventing the disease which prolongs life, thus protecting the community.

Based on these definitions, I would define public health as a system that promotes the health of the people and their communities through an holistic approach of preventing diseases to prolong lives. In terms of what public health do, it is work that uses research on diseases so that it can be prevented such as vaccines. Also, to detect infectious disease and research about how to prevent and treat them along with promoting a healthier lifestyle. (“Centers for Disease Control and Prevention,” 2019)

The health impact pyramid is a framework that depicts the various method of intervention on public health. Based on the 5-tier pyramid, it depicts “the impact of different types of public health interventions and provides a framework to improve health.” (Frieden, 2010, p.591) Based on the pyramid, the first tier (the bottom tier) is socioeconomic factors and an example on intervention is an improvement in education. (Frieden, 2010, p.591) The second tier is changing the context to make individuals ‘default decisions healthy and an examples of the public health intervention for this tier is lead painted pencils. When children chewed on these lead painted pencils they would get lead poisoning, however, in 1978 the United States outlawed lead therefore, preventing lead poisoning. (Bennett, 2014) The their 3^rd tier is long lasting protective intervention, and an intervention example is vaccination, which caused the eradication of the variola virus small pox diseases. The 4^th tier is clinical intervention and an example is medications to prevent diseases. The 5^th tier (top tier) is the counseling and educational intervention and an example is sex-ed classes that teaches protection and prevention on sexual transmitted diseases.

Reference

American Public Health Association. (2019). What is Public Health. Retrieved from https://www.apha.org/what-is-public-health

Bennett, J.H. (2014,November, 30). Ever wondered about the lead in pencils?. Washington Post. Retrieved from https://www.washingtonpost.com/lifestyle/kidspost/ever-wondered-about-the-lead-in-pencils/2014/11/26/f8b5869c-548a-11e4-809b-8cc0a295c773_story.html#:~:targetText=Most%20pencils%20made%20in%20the%20United%20States%20are%20painted%20yellow.&targetText=Lead%20was%20outlawed%20in%20the,have%20been%20exposed%20to%20lead.

Centers for Disease Control and Prevention. (2019). What is Public Health. Retrieved from https://www.cdcfoundation.org/what-public-health

Frieden, Thomas. (2010). A Framework for Public Health Action: The Health Impact Pyramid. American Journal of Public Health,100(4), 590-595. doi: 10.2105/AJPH.2009.185652

World Health Organization. (2019). Public Health Services. Retrieved from http://www.euro.who.int/en/health-topics/Health-systems/public-health-services#:~:targetText=Public%20Health%20is%20defined%20as,Acheson%2C%201988%3B%20WHO).&targetText=Public%20health%20focuses%20on%20the,the%20eradication%20of%20particular%20diseases.

Respond to the bold paragraph ABOVE by using one of the option below… in APA format with At least two references and a minimum of 200 words….. .(The List of References should not be included in the word count.)

• Ask a probing question.
• Share an insight from having read your colleague’s posting.
• Offer and support an opinion.

• Validate an idea with your own experience.
• Make a suggestion.
• Expand on your colleague’s posting.
  

Be sure to support your postings and responses with specific references to the Learning Resources.

It is important that you cover all the topics identified in the assignment. Covering the topic does not mean mentioning the topic BUT presenting an explanation from the context of ethics and the readings for this class

To get maximum points you need to follow the requirements listed for this assignments 1) look at the word/page limits 2) review and follow APA rules 3) create subheadings to identify the key sections you are presenting and 4) Free from typographical and sentence construction errors.

REMEMBER IN APA FORMAT JOURNAL TITLES AND VOLUME NUMBERS ARE ITALICIZED.