Can total joint replacement particles reach the brain? https://medicalxpress.com/news/2026-08-total-joint-particles-brain.html Cobalt and titanium levels in the brain are associated with Alzheimer https://www.sciencedirect.com/science/article/abs/pii/S1742706126002916 Wear particles from the implant, particularly in certain hip replacements involving accelerated wear, may travel beyond the joint and warrant further study