Alzheimer’s Disease Is No Longer Untreatable: A 2026 Guide to the Blood Tests, Drugs, and Prevention Strategies That Are Changing the Future for 7 Million Americans

A comprehensive June 2026 guide to Alzheimer’s prevention and treatment: two FDA-approved disease-modifying drugs (lecanemab/Leqembi, donanemab/Kisunla), an FDA-cleared blood test (Lumipulse pTau217), and the lifestyle interventions with the strongest prevention evidence.