Nutritional marasmus is the most frequent form of PEM in cases of prolonged food shortage. 长时间食物匮乏最容易引发消瘦型营养不良,主要特征为皮下脂肪和肌肉丧失。
A severe deficiency can bring on combined spinal cord degeneration and associated brain diseases that also cause memory loss. 严重营养不良会导致脊髓变质,并引起有关的脑病,这也会造成记忆力的丧失。