Wildfire smoke is likely damaging your brain

Parts of California, Oregon and Montana are struggling with unhealthy levels of air pollution as a result of several large fires, including the Park Fire in Northern California, which has quickly become the fifth largest fire in state history.

The smoke can be dangerous for people in the immediate vicinity, but also for people who live far away. The smoke from a forest fire can travel hundreds or even thousands of kilometers.

The tiny particles in that smoke aren't just bad for your lungs. A series of studies over the past few years have shown that they also negatively impact ...