COPD Biologic Success, GLP-1 Weight Rebound, and Secondhand Smoke's Toll

Today's briefing covers a new antibody that cuts COPD flare-ups in two phase three trials, sobering global data on secondhand smoke exposure, and a meta-analysis showing how much weight returns after stopping GLP-1 drugs. We also look at why staying active after a heart attack matters, a surprising link between creatine supplements and cancer spread, and a genetic tool for personalized prostate cancer screening. A quick rundown covers several more studies making news this week.