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This Viewpoint describes the evidence for iatrogenic disease based on amyloid-β prions and the possibility that Alzheimer disease has an iatrogenic form wherein amyloid β and tau behave as prions that transmit the disease.

This randomized clinical trial investigated the safety and efficacy of nicardipine release implants for preventing proximal angiographic vasospasm after aneurysmal subarachnoid hemorrhage.

This study investigates the binding properties of lecanemab in the brains of people with Down syndrome, in anticipation of their inclusion in clinical trials or access to antiamyloid immunotherapies.

This Viewpoint advocates for Medicare coverage of driving assessments for older individuals.

This secondary analysis of the Atrial Cardiopathy and Antithrombotic Drugs in Prevention After Cryptogenic Stroke (ARCADIA) randomized clinical trial compares apixaban vs aspirin for the prevention of adverse clinical outcomes in patients with history of cancer and cryptogenic stroke.

This narrative review discusses the results of 6 recently published trials on the efficacy and safety of endovascular thrombectomy as treatment for patients with ischemic stroke, anterior-circulation large vessel occlusions, and large areas of ischemic change and highlights areas of persistent uncertainty in the use of this treatment.

This case report describes a 67-year-old woman who had received adoptive immunotherapy with chimeric antigen receptor T cells for multiple myeloma and was experiencing parkinsonism-like symptoms.

This Viewpoint cautions against premature adoption of the α-synuclein seed amplification assay as a biomarker test for Parkinson disease in general neurology practice.

This study attempts to determine the risk of severe maternal and perinatal morbidity and mortality among women with epilepsy.

This randomized clinical trial investigates the efficacy of combination physiotherapy and cognitive behavioral therapy for individuals with functional movement disorders.

This cohort study assesses the association of pain phenotypes and pain multimorbidity with cerebral palsy subtypes among Medicare beneficiaries.