“…Also, the private health insurance groups and government policy-makers need to reduce costs; the methodology of critical appraisal of medical information, and cost/benefit analysis are excellent tools to get more of each dollar, particularly in the developing countries, where the resources are scarce. So, considering the universe of medical specialties, it seems to us being valid suggesting to the MD newcomers to consider Clinical Epidemiology as an interesting area to learn and succeed professionally, thus improving the health system of their countries (2,3,4,5,6).…”