It is a well-known fact that in an ideal world; the most effective health intervention for every condition would be known, every health manager would know the most effective intervention for each condition, and every health manager would practice the most effective interventions that he/ she knows. On the other hand, in the real world; much of what should be known is not known, much that is known, is not known by most health managers, and health managers often fail to practice what they know to be the most effective form of health intervention….