The Role of Malnutrition in Increasing the Risk of Diarrheal Diseases : A Meta-Analysis of Case-Control Studies

Malnutrition and diarrheal diseases represent two of the most significant public health challenges worldwide, particularly in low- and middle-income countries (LMICs) [1]. These conditions are intricately linked, often creating a vicious cycle that disproportionately affects vulnerable populations, especially children under five years of age [2]. The global burden of these interrelated issues necessitates a comprehensive understanding of their relationship to inform effective interventions and policies.