5 Most Common Allergies

What causes the most allergic reactions, hint: does not include food.
According to livescience.com
Quiz by skukka
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Last updated: April 29, 2017
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First submittedApril 29, 2017
Times taken124
Average score40.0%
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Rank
Allergy
1
Weeds
2
Mold
3
Dust mites
Rank
Allergy
4
Grass
5
Pollen
3 Comments
+2
Level 74
Apr 29, 2017
Doesn't the 5 cause the allergic reactions to both 1 and 4?
+2
Level 59
Apr 29, 2017
You'd think that, but because they were listed separately I gathered that there might be something else too?
+2
Level 74
Apr 29, 2017
For #1, there can also be toxins, e.g. poison ivy.