Pollen.com

https://www.healthline.com//most-people-pick-wrong-allergy

Over $2 billion is spent in America on healthcare and medications to treat their allergies. https://www.pollen.com/allergy/allergy

A serious cause of hay fever, alder pollen is common in the United States. Seven alder species are native to the region, and are also widely cultivated. http://www.pollenlibrary.com/Genus/Alnus/

A preeminent allergen source, mountain cedar grows abundantly form the low limestone hills of western Texas to the mountains of central Mexico, shedding pollen copiously from late fall until late winter. http://www.pollenlibrary.com/Specie/Juniperus+ashei/

Individuals suffering from birch pollen allergy may also be sensitive to apple or walnut foods, due to the similarity of their protein structures. http://www.pollenlibrary.com/Genus/Betula/

Individuals will normally functioning immune systems experience no reaction when pollen lands on the mucus membranes. But in malfunctioning immune systems, the pollen sets of an allergic response. http://www.pollen.com/allergy-reaction.asp

Although individuals over the age of 60 generally use the same allergy and asthma medications as younger folks, alternative modes of delivery may be required. Arthritis, for example, may make the use of a hand activated inhaler impractical. Other delivery systems are available in cases like these. http://www.pollen.com/asthma.asp

European pollen networks are much more extensive than those in the United States. Data from these networks help Europeans minimize exposure and plan drug regimens. http://www.pollen.com/pollen-allergy.asp

A large nationwide study reports that although 33% of white males aged 18-24 tested positive to a common panel of allergens, less than 5% of white males aged 45-54 tested positive to these same allergens. http://www.pollen.com/allergy.asp

Pollen levels do not remain constant from year to year. For example, pollen levels from the birch tree can vary by as much as a factor of 15 from year to year. http://www.pollen.com/pollen-levels.asp

Factoid Example Individuals suffering from birch pollen allergy may also be sensitive to apple or walnut foods, due to the similarity of their protein structures. http://www.pollenlibrary.com/Genus/Betula/

According to a large nationwide study, 22% of people in the Northeast tested positive to pollen allergies. During the same allergy screening, only 12% of people in the south tested positive to these allergens. http://www.pollen.com/pollen-allergy.asp

Alcohol increases the swelling of blood vessels in the nasal passages. As such, avoiding alcoholic beverages during the pollen season may reduce allergy symptoms. http://www.pollen.com/allergy-prevention.asp