Climate Change May Prolong Smog Season in Southeast U.S.

TUESDAY, Aug. 23, 2016 (HealthDay News) -- The southeastern United States may have high levels of ozone air pollution for a longer time each year due to climate change, a new study suggests.

July and August have traditionally been peak months for the health-threatening pollutant. But those peaks could extend well into fall as weather becomes warmer and drier, the Georgia Institute of Technology researchers said.

That's because extreme weather associated with climate change may cause drought-stressed trees to release more of the precursor compound that helps form ozone, the investigators explained.

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Allergy Information

What Are Seasonal Allergies?

More than 67 million americans suffer from allergy symptoms, including hay fever. But, what is an allergy? What is an allergic reaction? What are common allergy symptoms? What allergy treatments are available?

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What is Pollen?

Pollen is one of the most common allergens in the United States. Pollen is an airborne allergen, which is picked up and carried by the wind. Various trees, grasses and weeds create pollen, which can cause hay fever, irritate your eyes and skin.

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