NEJM This Week — February 19, 2026

This week, we highlight major advances in multiple myeloma, gene therapy for cystinosis, and experimental treatments for myotonic dystrophy. We review long-term outcomes of aortic-valve replacement, strategies for secondary stroke prevention, and a revealing diagnostic case of eosinophilic disease in an older adult. A Sounding Board explores FDA approval standards. Perspectives delve into tobacco cessation, influenza evolution, and the uncertainty patients and clinicians share when facing...

This week, we highlight major advances in multiple myeloma, gene therapy for cystinosis, and experimental treatments for myotonic dystrophy. We review long-term outcomes of aortic-valve replacement, strategies for secondary stroke prevention, and a revealing diagnostic case of eosinophilic disease in an older adult. A Sounding Board explores FDA approval standards. Perspectives delve into tobacco cessation, influenza evolution, and the uncertainty patients and clinicians share when facing life-altering diagnoses.