English / Genetic Diseases APOE Gene and Alzheimer’s: Why ε4 Is a Risk, Not a Verdict — What Research Shows and What You Can Do
APOE ε4 is the strongest genetic risk factor for late-onset Alzheimer's, but it is not destiny. Here is what research shows about one vs two copies, what testing means, how new drugs relate to ε4, and what you can actually do.
