What Is the Most Common Cause of Iron Deficiency in the US?
                                
                                
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                                    6 min read                                
                            
                                According to the CDC, anemia affected 9.3% of the U.S. population over age 2 between 2021 and 2023, with iron deficiency being a leading cause. The most common cause of iron deficiency in the US is dependent on factors like age and gender, often stemming from chronic blood loss, particularly in women of childbearing age.