In the 25 years since its emergence in the US, West Nile virus has become the leading cause of domestic mosquito-borne disease. It causes more than 1200 neuroinvasive disease cases and 120 deaths annually in the US. Coauthor Carolyn Gould, MD, of the CDC joins JAMA Senior Editor Karen Lasser, MD, to discuss the review on this topic published in JAMA.

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Worldwide, 1 in 3 women and 1 in 5 men older than 50 years experience osteoporotic fractures in their lifetime. Author Suzanne N. Morin, MD, MSc, of McGill University and JAMA Deputy Editor Mary M. McDermott, MD, discuss the diagnosis and management of osteoporosis.

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• Osteoporosis

Which tests can be used to diagnose type 2 diabetes? When should injectable medications for type 2 diabetes be started? These are just some of the questions clinicians may have when diagnosing and treating type 2 diabetes in adults. Author Rita Kalyani, MD, MHS, of Johns Hopkins University School of Medicine, discusses this and more with JAMA Senior Editor Karen Lasser, MD, MPH.

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• Diagnosis and Treatment of Type 2 Diabetes in Adults

Adrenal insufficiency is a syndrome of cortisol deficiency. A recent JAMA Review summarizes the pathophysiology, diagnosis, and treatment of adrenal insufficiency and adrenal crisis. JAMA Associate Editor David Simel, MD, MHS, discusses this and more with author Anand Vaidya, MD, MMSc.

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• Adrenal Insufficiency in Adults

Interview with Anne P. Cameron, MD and Glenn T. Werneburg, MD, PhD, authors of Foley Catheter Management: A Review. Hosted by Amalia Cochran, MD.

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Patients' treatment expectations may affect their treatment outcomes. Coauthor Johannes A. C. Laferton, PhD, joins JAMA Senior Editor Anne Cappola, MD, ScM, to discuss the latest article in JAMA's Communicating Medicine series, which explores how to help patients have a better experience and better outcomes with treatment.

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• Improving Patients’ Treatment Expectations

Elevated levels of lipoprotein(a) are associated with higher rates of cardiovascular events. Author Samia Mora, MD, MHS, of Brigham and Women’s Hospital and Harvard Medical School discusses measurement and interpretation of lipoprotein (a) levels with JAMA Deputy Editor Mary McGrae McDermott, MD.

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• Lipoprotein(a)

A central question in platelet transfusion is whether to follow a restrictive or liberal strategy in decisions about which patients should receive platelets. Author Ryan Metcalf, MD, University of Utah, discusses new clinical guidelines for platelet transfusion and more with JAMA Executive Editor Gregory Curfman, MD.

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