Understanding What is the Leading Nutrient Deficiency in the World?
                                
                                
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                                    4 min read                                
                            
                                According to the World Health Organization (WHO), iron deficiency is the most common nutritional deficiency globally, impacting a significant portion of the world's population and making it a major public health concern. This widespread issue is often referred to as "hidden hunger" because its health impacts are not always immediately visible.