Atlanta continues to experience "extremely high" pollen levels. But why are we getting hit so hard? The AJC’s Fraser Jones breaks down why we’re drowning in pollen and how to change course. #news #pollen #allergies #spring #weather 🎥 : AJC | U.S. DHHS | The Wire Science | Getty Images Sources: Emory News Center | Harvard T.H. Chan School of Public Health | Nature