Country singer Jellyroll dishes on his triple-digit weight loss odyssey; DGL for GERD—will it raise blood pressure? CBD curbs aggression in dogs; Hundreds of environmental chemicals may imbalance our microbiomes; ADHD isn’t just a malady—it may impart unrecognized superpowers; The evolutionary mismatch between our ancient genes and modern artificial environments; Could napping improve cognitive function? Heart attacks, lung problems soared after LA wildfires; HHS Secretary RFK Jr. focuses attention on inadequate testing, treatments for chronic Lyme Disease.