April showers may bring the loveliness of May flowers, but, for some, the pollen that accompanies those flowers is an unwelcomed tagalong to warmer weather. Pollen, a fine yellowish powder transported from plant to plant by the wind, is one of the biggest instigators of the seasonal allergies that affect nearly 50 million people in the United States. Symptoms include runny noses, runny eyes and nasal congestion that affects all ages.
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