About this episode
欢迎收听本期播客，我们来聊聊最新的医学研究！一项发表在《Annals of Neurology》的研究揭示了维生素B12对老年人神经系统的重要性。研究发现，即使是在正常范围内，维生素B12水平的高低也可能影响老年人的神经功能和结构。低水平B12与视觉诱发电位延迟、处理速度受损以及MRI显示的白质高信号体积增大有关。而高水平的非活性B12分数与神经退行性标记物Tau的血清水平相关。这项研究挑战了我们对最佳血清B12水平的认识，提示我们需要重新考虑营养建议。关注老年人的营养健康，这可能对预防神经损伤至关重要。不要错过这一重要发现，继续收听，了解更多细节！
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