🧬 Arginine and Alzheimer's: An inexpensive, clinically safe amino acid reduces amyloid plaques in animal models, opening a low-cost repositioning pathway toward Alzheimer's prevention therapy. 💉 IV Biomaterial Heals Cardiac Tissue: A UC San Diego hydrogel delivered intravenously travels through the bloodstream to repair heart attack damage and reduce inflammation, with human trials targeted within two years. 🦠 Hidden Gut Bacteria Linked to Global Health: CAG-170, found in elevated abundance in healthy individuals across 39 countries, produces vitamin B12 and may become the next generation of targeted probiotic therapy. 🤖 AI Drug Pipeline Crosses 173 Clinical Programs: With 15 to 20 AI-discovered drugs entering pivotal trials this year, AI has crossed from experimental tool to operational standard in pharmaceutical development. 💪 Grip Strength Predicts Longevity Independently: Muscle strength in women over 60 predicts survival even without meeting aerobic exercise targets, establishing strength training as an independent longevity intervention in its own right.