Gordis EpidemiologyCelentano, D. D., & Szklo, M. (2024). Gordis epidemiology (7th ed.). Elsevier.
Read Chapters 14-16 (pp. 268-331)
These chapters cover the criteria that you will use to decide if a risk factor is likely to actually cause disease, as well as information regarding pitfalls and curveballs of bias, confounding, and interaction that you will inevitably encounter in epidemiological studies. Chapter 16 explores the role of genetic predispositions in disease outcomes.