New Alzheimer’s drugs are costly and controversial. Are we going about this all wrong?

The Food and Drug Administration’s recent approval of new Alzheimer’s drugs sparked a flicker of hope for the millions affected by this devastating disease. But this progress casts a puzzling shadow.

The drugs come at a high cost for relatively limited benefits, offering only a brief respite in the pace of cognitive decline. This reality raises a question: Are we fixated on such marginally effective treatments at the expense of more promising preventive measures?