Inhaling Toxic Wildfire Smoke Has Disturbing Effects on the Brain, Lungs, and Even Sperm

Wildfires raging in the western U.S. are emitting smoke traveling to communities that are far from the flames, producing dangerous air for days or weeks at a time. Wildfire smoke is a combination of chemicals and small particles that are tiny enough to escape from the defenses the body makes and affect the lungs, brain, and even sperm.