🔬 Aging Reframed as Coordination Loss: Scientists at the 2026 World Longevity Congress argue that preserving biological coordination across systems, not fixing individual defects, is the new paradigm for healthy aging. 🧠Exercise Plus Sleep Cuts Dementia Risk: A new meta-analysis confirms that regular physical activity combined with 7 to 8 hours of nightly sleep significantly reduces dementia risk later in life. 🤖 AI Drug Pipeline Hits 173 Clinical Programs: AI-discovered drug programs are advancing rapidly, with over 173 now in clinical trials and up to 20 pivotal trials expected to launch in 2026. 🦠Gut Bacteria Directly Reshape Human Immune Responses: Common gut microbes inject proteins into human cells, actively shaping immune behavior in ways potentially central to inflammatory disease and future therapies. 😴 Circadian Misalignment Under Study as Liver Cancer Driver: New Fred Hutch research will investigate whether disrupted internal body clocks increase risk of hepatocellular carcinoma, adding to the growing evidence linking circadian health to cancer risk.