Why does pollen get stronger and last longer?



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(WVLT) – The allergy season is approaching and she will not be beautiful, according to experts.

WVLT News has spoken with Climate Central, a non-profit news organization that publishes articles on climate science, on why pollen gets stronger and lasts longer.

Local allergy specialists attract new patients and earlier in the year. Even in a region known for its pollen, it is not that a trend.

"While we're seeing milder temperatures, warmer temperatures and a lot of rain, we're seeing previous seasons unfold in our region," said Dr. Trent Ellenburg of Allergy and Asthma Affiliates.

Ellenburg said their services are so requested that they have expanded to eight clinics.

What is the cause? Dr. David Peden, from the University of North Carolina, said the pollen season would not be long, the trees would make more people sick.

"They produce more pollen and more allergens, so there are more pollen grains, and every pollen grain contains more substances you are allergic to," he said.

In addition, 10 to 20 percent of the population will suffer from allergies in a few decades, he added.

Joanne Logan from the University of Tennessee is studying the impact of climate on plants. Some of his climatic records date back nearly a century. "The winter temperatures have been significantly milder, and I think this is causing the dormancy lift earlier," she said.

The growing season of East Tennessee has not changed dramatically. Knoxville's frost-free season has not budged for about a day since 1970, but in Nashville, it stays above 32 degrees for nearly a month longer.

The good news is that although pollen can make your allergies worse, Dr. Logan said allergy vaccines are the absolute norm. "It's about a 90% success rate," she said.

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