"Yes, Mr. Li. When Mrs. Li first came for examination a few days ago, she did brain MRI and brain CT. The doctor found that her hippocampus was atrophied. In addition, the memory decline described by Mrs. Li was indeed in line with Alzheimer's disease."

the man holds the hand of the girl beside him and squints his eyes slightly, "go on."

"the reason why it is suspected rather than confirmed is that we just found a very strange substance in Mrs. Li's blood, which is likely to have a direct relationship with Mrs. Li's hippocampal atrophy and memory decline. But specifically, we need to take more blood from Mrs....