What does analytical epidemiology attempt to answer beyond descriptive epidemiology?

epidemiology is ofcourse, the study of disease and ewpidemiologists often study the diseases in a certain location, area, of community.

There are three main category of epidemology;Endemic is a disease that is constantly present to a greater or lesser degree in people of a certain class or in people living in a particular location;...

John Snow

Descriptive epidemiology focuses on time, place, characteristics, distribution and development of a hypothesis.This describes occurence of a disease in terms of when it occurred, the place of...