上帝出选择题：最近几天发表了好几篇研究文章，表明癌症和老痴呆症是相克关系，同一免疫系统调节。二选一的话，你选哪种？

https://www.nature.com/articles/d41586-026-00222-7  

https://www.nature.com/articles/d41586-026-00257-w  

https://www.cell.com/cell/abstract/S0092-8674(25)01433-3  

https://www.nationalgeographic.com/health/article/alzheimers-disease-cancer-immune-system#:~:text=(What%20are%20the%20signs%20of%20dementia%E2%80%94and%20why,biological%20pathway%20between%20cancer%20and%20Alzheimer's%20disease.