Is There a Doctor on the Ship?

JAMA Medical News Associate Managing Editor Kate Schweitzer and Lead Senior Staff Writer Rita Rubin discuss "First Alzheimer Disease Blood Test May Produce Many False-Positive Results, Study Finds." Related Content: First Alzheimer Disease Blood Test May Produce Many False-Positive Results, Study Finds

JAMA Medical News Director Jennifer Abbasi and Associate Managing Editor Kate Schweitzer discuss "PCOS is Now PMOS—Will a New Name Translate to Improved Clinical Care?" Related Content: PCOS Is Now PMOS—Will a New Name Translate to Improved Clinical Care?

JAMA Medical News Director Jennifer Abbasi and Staff Writer Samantha Anderer discuss "In Obesity Treatment, Physical Activity's Benefits Go Beyond Weight Loss, Says AHA." Related Content: In Obesity Treatment, Physical Activity's Benefits Go Beyond Weight Loss, Says AHA

Rita Kalyani, MD, chief scientific and medical officer at the American Diabetes Association, discusses the latest diabetes and obesity research, including a novel oral GLP-1 drug, a combined semaglutide-amylin analogue injection, data from China on high-dose mazdutide, and more. Related Content: A New GLP-1 Pill for Diabetes, Semaglutide With Amylin, Data From China, and More From ADA 2026

JAMA Medical News Director Jennifer Abbasi and Associate Managing Editor Kate Schweitzer discuss "Inside the Push for a Fentanyl Vaccine." Related Content: Inside the Push for a Fentanyl Vaccine

JAMA Medical News Director Jennifer Abbasi and Associate Managing Editor Kate Schweitzer discuss "HFpEF May Be a Different Disease in Patients With Severe Obesity." Related Content: HFpEF May Be a Different Disease in Patients With Severe Obesity

Joining from quarantine, Stephen Kornfeld, MD, discusses his experience stepping in as the ship's physician when hantavirus transformed his vacation cruise into a global public health concern. Related Content: Hantavirus Outbreak: First Test of US Public Health Response After WHO Withdrawal When Hantavirus Sickened the Ship's Physician, Stephen Kornfeld, MD, Stepped Up

JAMA Medical News Director Jennifer Abbasi and Associate Managing Editor Kate Schweitzer discuss "A Rare Ebola Virus Is Spreading in the DRC—Here's What to Know." Related Content: A Rare Ebola Virus Is Spreading in the DRC—Here's What to Know

JAMA Medical News Director Jennifer Abbasi and Staff Writer Samantha Anderer discuss "More Than 19 000 Measles Cases in a Month—What the Current Outbreak in Bangladesh Signals to the World." Related Content: More Than 19 000 Measles Cases in a Month—What the Current Outbreak in Bangladesh Signals to the World

JAMA Medical News Director Jennifer Abbasi and Associate Managing Editor Kate Schweitzer discuss "Experts Debate How Obesity Should Be Defined and Diagnosed." Related Content: Experts Debate How Obesity Should Be Defined and Diagnosed