¶ … epidemiology changed and evolved from the 1900s to the present? What effects have these changes had in your area of health care?
More than a hundred years ago, the primary focus of epidemiology was on containing the spread of epidemics such as cholera, tuberculosis, and polio. Knowledge about disease transmission, improved sanitation, and vaccinations have made many of these diseases either manageable or eradicated them. Today, the primary challenge for epidemiology is the shift to focusing on lifestyle-related complaints such as obesity, inactivity, and smoking which cause chronic illnesses such as heart disease, diabetes, and cancer. Often, these can be more difficult to treat given that the lifestyle changes that they require both individuals and government to make are more complex and far-reaching than simply improving sanitation or getting vaccinated.
As a result, there is a greater need to educate the public and to encourage changes in habits and behavior, such as eating patterns. The government must take a more holistic focus to make it more difficult to engage in disease-promoting behaviors like eating fast food and smoking. Measures include advising patients about how to make dietary changes and offering support for smoking cessation. Unlike, say, smallpox, it is unlikely that lifestyle-related complaints will ever be completely eradicated: instead, the emphasis is upon risk mitigation and reduction of problem behaviors which will subsequently bring about less disease (Achievements in public health, 1999, MMWR).
Q2. A variety of data...
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