How Pollution Changes Your Brain

Air pollution is killing tens of thousands daily, triggering "Airpocalypse" lockdowns from Asia to Europe. But the danger is deeper than we thought. New science reveals that toxic air doesn't just cause respiratory disease - it can actually alter your DNA. Even more shocking, microscopic particles may travel directly from your nose to your brain, potentially linking air quality to the onset of dementia. Director: Leif Kaldor Cast: Julie Hackett Original title: Something in the Air