So, if the key problem with Alzheimer's is that the brain is lacking adequate fuel due to an inability to utilize glucose, then it makes sense that providing an alternate fuel would cause improvements.

所以，如果因为大脑无法利用葡萄糖作为燃料，进而导致老年痴呆患者大脑缺乏能量，那么为大脑提供另外一种类型的燃料，就能改善患者症状。