In aging‑brain mice, inhaled CBD calmed overactive brain‑immune pathways and improved memory tests, hinting at a future tool for cooling chronic brain inflammation.  

A huge genetic study hints that chronically high tyrosine may nudge male longevity in the wrong direction—raising questions about heavy, long‑term brain stacks.  

Higher ultra‑processed food intake—even on top of a good diet—was tied to worse focus and slower thinking, hinting that processing itself is a brain‑ageing lever.  

Big-picture review of 8,000 people finds collagen modestly boosts skin hydration and elasticity and eases joint discomfort—but doesn’t supercharge performance.