Caffeine and Dementia Risk, Smartwatch Hypertension Notifications, Aluminum Exposure via Diet and Vaccines, and more

Editor's Summary by Kirsten Bibbins-Domingo, PhD, MD, MAS, Editor in Chief, and Preeti Malani, MD, MSJ, Deputy Editor of JAMA, the Journal of the American Medical Association, for articles published from February 7-13, 2026.