Question: What are the four major researchable evidence-based health topics that were covered in this HLTH2024 subject? a- Effectiveness of interventions. Accuracy of diagnostic tests. Causes and distribution of death and disease. Individual experiences of health, illness and disability. b- Levels of evidence. Grades of recommendations. Methodologies. Paradigms. c- Descriptive statistics. Inferential statistics. Content analysis. Causes and effects. d- Sampling. Measurement. Research design. Reporting quality.