With the arrival of summer, people yearn to be outside at a picnic, playing sports, fishing, or hiking, among many other activities. But for some of us, summer can be brutal because of hay fever, an allergic reaction to pollen – the grains or tiny seeds of flowering plants, trees, and grasses, which can be carried on the wind. The reaction can manifest itself with itchy skin, watering eyes, and sneezing. The condition, also called allergic rhinitis or nasal allergies, can be especially acute in a handful of states.
To find the 20 worst city parks for hay-fever sufferers, 24/7 Wall St. listed the worst parks based on the report Seasonal Allergies: The Best And Worst Parks For Hay Fever Sufferers from YorkTest, a British health and wellness company. YorkTest used The Trust for Public Land’s list of the 150 Largest City Parks across the U.S. and analyzed the expected grass pollen levels in each geographic area over the course of a five-day period using the Pollen Count app. Parks were ranked based on the average pollen level in grains of grass pollen per cubic meter for the five-day period.
Hay fever symptoms usually start after someone is exposed to the allergen. Allergens can be tree, grass, and ragweed pollen (though grass pollen is more common in summer), as well as dust mites and cockroach droppings, dander from pets, spores from indoor and outdoor fungi and molds. (These are the worst cities for people with grass allergies.)
Allergens can trigger the immune system, which misidentifies harmless airborne substances as harmful. In response, the immune system generates antibodies to protect against the allergen. The antibodies signal the blood vessels to expand and generate inflammatory chemicals, such as histamine. It is this reaction that causes common hay fever symptoms such as runny nose, watery, itchy, red eyes, sneezing, cough, itchy nose and roof of mouth or throat, and swollen skin under the eyes.
According to the Centers for Disease Control and Prevention, there are about 19 million hay fever sufferers in the U.S. It would be best if they avoided the South – 18 of the 20 parks on the list are in Southern states. Tennessee is ground zero for hay fever.
YorkTest found that nine parks within Nashville, Tennessee, are among those most likely to have the highest pollen counts. Besides Tennessee, North Carolina can be difficult for those who get hay fever. The Tar Heel State has three parks on the list. Texas, Arkansas, and Kentucky have two parks each on the list. (Also see, America’s most visited city parks.)
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