JAMA Clinical Reviews

Idiosyncratic drug-induced liver injury is damage caused by prescription or over-the-counter medications or herbal dietary supplements that is not dose-dependent. JAMA Associate Editor Beverly Forsyth, MD, speaks with author Naga Chalasani, MD, of Indiana University School of Medicine about risk factors, evaluation, and treatment of patients with idiosyncratic drug-induced liver injury. Related Content: Idiosyncratic Drug-Induced Liver Injury Severe Acute Liver Injury After Hepatotoxic Medication Initiation in Real-World Data

Childhood obesity affects approximately 15% of children aged 2 to 12 and is associated with adverse health outcomes in adulthood. Author Claudia K. Fox, MD, MPH, of the University of Minnesota Medical School joins JAMA Deputy Editor Mary M. McDermott, MD, to discuss epidemiology, diagnosis, and treatment of childhood obesity. Related Content: Obesity in Children Aged 2 to 12 Years

Heart transplant for patients with advanced heart failure can lead to improved survival and quality of life. Author JoAnne Lindenfeld, MD, of Vanderbilt University joins JAMA Associate Editor David Simel, MD, MHS, to discuss indications, transplant evaluation, management after transplant, long-term complications, and survival. Related Content: Heart Transplant for Advanced Heart Failure

Narcolepsy is a chronic neurologic disorder that causes severe daytime sleepiness and impaired quality of life. Author Tom Scammell, MD, of Harvard Medical School joins JAMA Deputy Editor Karen Lasser, MD, MPH, to discuss the etiology, clinical presentation, diagnostic evaluation, and treatment of narcolepsy. Related Content: Narcolepsy The Orexin System—A Key Component of Sleep Regulatory Networks and Involvement in Narcolepsy

Respiratory virus vaccine effectiveness and safety for influenza, RSV, and COVID-19 are reviewed, including new evidence, risks, and recommendations. JAMA Deputy Editor Preeti Malani, MD, MSJ, speaks with Rochelle Walensky, MD, MPH, professor of medicine at Harvard Medical School and former CDC Director, about vaccine data, public trust, and the 2026 respiratory virus season. Related Content: Respiratory Season Virus Vaccines RSV Immunization Effectiveness and Safety for the 2026-2027 Respiratory Season Influenza Vaccine Effectiveness and Safety for the 2026-2027 Respiratory Season COVID-19 Vaccine Effectiveness and Safety for the 2026-2027 Respiratory Season