Rubber Dust May Signal Alzheimer’s Risk, Study Finds

A Chinese study in Open Medicine links the tire chemical 6PPD-Q—formed when tire particles meet ozone—to oxidative stress, inflammation, and impaired brain-cell communication associated with early-stage Alzheimer’s; exposure routes include inhaled dust, crops, soil, stadium turf, and recycled tire products, with road runoff harming salmon. Researchers used machine learning to show 6PPD-Q binds to three of five Alzheimer predictor genes, but more lab work is needed to assess human risk and causality, particularly in car-heavy regions.