Retatrutide's Reach, Lean Liver Disease, and a Fetal Hemoglobin Breakthrough

A daily briefing on new medical research for clinicians and curious listeners. Today we cover a major obesity drug trial, a surprising look at lean fatty liver disease, treatment data for a rare pediatric nerve disease, a genetic clue for sickle cell therapy, trained lung immunity against flu, and lifestyle protection against macular degeneration. Plus a quick rundown of eight more studies worth knowing about.