If you live almost anywhere in the U.S., you've probably noticed it: the dusting of yellow powder on your car, your windowsill, and even your eyelashes. This spring, Americans have been engulfed by an overwhelming wave of pollen -- not just an inconvenience, but a historic high.

As both a physician and a lifelong allergy sufferer, I've experienced this season not only through my own congestion and watery eyes, but through the struggles of my wife and patients as well. And I can tell you: something is different this year.

The numbers back it up. Across the country, cities have recorded some of the highest pollen counts in decades , with daily readings soaring well above what used to be considered extreme. In major metro areas from Atlanta to New York to Los Angeles, pollen counts have e

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