Hay fever risk factors
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Risk Factors
In addition to individual sensitivity and geographic differences in local plant populations, the amount of pollen in the air can be a factor in whether hay fever symptoms develop. Hot, dry, windy days are more likely to have increased amounts of pollen in the air than cool, damp, rainy days when most pollen is washed to the ground.