The Science Behind the Intensified Allergy Season
TL;DR
Warm weather has caused an explosion of pollen levels this spring, causing allergies to worsen in some parts of the US. Oak trees in the Southeast are contributing to record-high levels of pollen early in the season. Invasive plants such as Dalmatian toadflax and Johnsongrass can also trigger allergies and aggravate hay fever. Pollen from weeds, grasses, and trees are the primary sources of pollen that can cause allergies.
- Your pollen allergies are overwhelming? This might be why KXLY Spokane
- Why allergy season is extra bad this year PBS NewsHour
- Weather making allergy season worse in central Indiana WISH TV Indianapolis, IN
- Health Conversations: Why allergy season is starting earlier this year Channel 3000 / News 3 Now
- Mass. General doctor answers questions about seasonal allergies WCVB Boston
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