Prevalence and Predictors of Polypharmacy in Adults with Multiple Chronic Conditions: A Cross-Sectional Analysis of NHANES Data, 2011–2018 Joshua Tess Green MD1, Jinadu Kehinde MBBS2, Andrew Ronald Martey MD3, Chinasa Okeke-Chikelu MD4, Opemipo Adetifa MD5 Abstract Background: Polypharmacy is increasingly recognized as a major public health challenge, particularly among adults