What is the natural history and cardiovascular burden of the V142I transthyretin variant among US Black individuals who carry this variant? Senthil Selvaraj, MD, MS, MA, from Duke University, and Scott D. Solomon, MD, from Brigham and Women’s Hospital, discuss this and more with JAMA Executive...

Between 2019 and 2021, pediatric mortality rates had the largest increases in at least half a century. Steven H. Woolf, MD, MPH, of Virginia Commonwealth University Center on Society and Health, joins JAMA Associate Editor Tracy A. Lieu, MD, MPH, to discuss how racial and ethnic disparities and...

When initial treatment with varenicline or nicotine replacement doesn't work, does increasing dosage improve smoking cessation rates? Paul Cinciripini, PhD, of MD Anderson Cancer Center's Department of Behavioral Science, joins JAMA Executive Editor Gregory Curfman, MD, to discuss guidance on the...