Which Vitamin Deficiency Causes Weak Nerves? The Critical Role of B Vitamins
                                
                                
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                                    5 min read                                
                            
                                Studies indicate that a significant percentage of older adults have low serum vitamin B12 levels, a common nutritional cause of neurological problems. This can lead to the crucial question: **Which vitamin deficiency causes weak nerves**, and what can be done to protect your nervous system?