“Diagnosis and treatment of Alzheimer’s has changed in a way that is revolutionary compared to, say, four or five years ago,” said Dr. Jason Karlawish, co-director of the Penn Memory Center. | Clare Owen for Vox Every day it seems scientists are making breakthroughs in Alzheimer’s disease.  New treatments that actually slow the disease’s progression — lecanemab and donanemab — have finally appeared on pharmacy shelves in the past few years, delivering real-world results for patients and their families. New blood tests promise to identify at-risk patients earlier in their lives, givin...