Describe the stages of policy cycle. which of these stages is the most important for epidemiology? or, would you assign them equal importance

The policy cycle is a long and complex process. The first state is agenda setting where the issue is first recognized. The second is policy formulation. In this step, several groups formulate policies. Third is decision-making. The fourth stage is implementation and lastly, evaluation.

Well. erm obesity, anorexia?