Percentage of U.S. population who reported suffering from allergic rhinitis:
Male
4.9% in 2000
6.4% in 2005
Female
7.6% in 2000
8.2% in 2005
Total
6.3% in 2000
7.4% in 2005
Source: Angency for Healthcare Research and Quality
Pollen-producing plants (weeds and trees) in Omaha, Nebraska
References:
Big culprit for allergies? Evidence points to global change. USA Today.
Anthropogenic climate change and allergen exposure: The role of plant biology. JACI, 2011.
Image source: Pollen grains from a variety of common plants, Wikipedia, public domain, Dartmouth Electron Microscope Facility.
Image source: Pollen grains from a variety of common plants, Wikipedia, public domain, Dartmouth Electron Microscope Facility.
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