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厌食症，即神经性厌食症，指个体通过节食等手段，有意造成并维持体重明显低于正常标准为特征的一种进食障碍，表现为体重显著减轻，合并营养不良、代谢和内分泌紊乱。2012年第5版《精神障碍的诊断与统计手册》（Diagnostic and Statistical Manual of Mental Disorders）中厌食症的诊断标准为：（1）明显的体重减轻，比正常平均体重减轻15%以上，或者克托莱（Que...
Vitamin B-12 treatment of asymptomatic, deficient, elderly Chileans improves conductivity in myelinated peripheral nerves, but high serum folate impairs vitamin B-12 status response assessed by the combined indicator of vitamin B-12 status
folate vitamin B-12 holotranscobalamin methylmalonic acid total homocysteine folic acid fortification nerve conductivity elderly Chile
2018/11/26
Background: It is uncertain whether vitamin B-12 supplementation can improve neurophysiologic function in asymptomatic elderly with low vitamin B-12 status or whether folate status affects responses t...