Differentiate between HeaLY and HALE. What are the criteria for establishing a cause-and-effect relationship? Describe how descriptive and analytical epidemiology are used.

Differentiate between HeaLY and HALE. What are the criteria for establishing a cause-and-effect relationship? Describe how descriptive and analytical epidemiology are used. 1.Differentiate between HeaLY and HALE. 2.What are the criteria for establishing a cause-and-effect relationship? 3.Describe how descriptive and analytical epidemiology are used. Paper is organized & includes concise and well developed introductory, Abstract, […]