What vitamin deficiency causes cold fingers?: A nutritional guide
                                
                                
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                                    5 min read                                
                            
                                Approximately 30% of the world's population is affected by iron deficiency anemia, a condition that can often manifest as cold hands and feet due to poor oxygen transport. This highlights how the answer to **what vitamin deficiency causes cold fingers?** is often linked to nutrients that impact healthy blood production and circulation.