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From The JAMA Network
JAMA Psychiatry
Original Investigation  | 
Effect of Depression and Diabetes Mellitus on the Risk for Dementia:  A National Population-Based Cohort Study
Wayne Katon, MD†; Henrik Sondergaard Pedersen, MSc; Anette Riisgaard Ribe, MD; et al.
JAMA
Review  | 
Acute Stroke Intervention:  A Systematic Review
Shyam Prabhakaran, MD, MS; Ilana Ruff, MD; Richard A. Bernstein, MD, PhD
JAMA Neurology
Original Investigation  | 
Risk Factors Associated With Incident Cerebral Microbleeds According to Location in Older People:  The Age, Gene/Environment Susceptibility (AGES)–Reykjavik Study
Jie Ding, PhD; Sigurdur Sigurdsson, MSc; Melissa Garcia, MPH; et al.
JAMA
Original Investigation  | 
Efficacy of Folic Acid Therapy in Primary Prevention of Stroke Among Adults With Hypertension in China:  The CSPPT Randomized Clinical Trial
Yong Huo, MD; Jianping Li, MD, PhD; Xianhui Qin, PhD; et al.