There are more then ten million Americans who have an allergy to pollen alone, this is about one in every five people in the United States. Suffers of allergies have a disorder of their immune system and that is what causes the symptoms. There are many people that are super sensitive to dust, pollen, nuts, and bees these are allergies that could be life threatening if it turn into an anaphylactic reaction and not treated right away.
In hot dry climates it has been found that there are more allergens floating around in the air, rather then humid and cooler climates. In the spring and early summer is another time that there are a lot of allergens in the air this is because the plants and the trees are budding and this helps out the pollen.
