Allergies
An allergy is an exaggerated response by the body’s immune system, following exposure to harmless substances. The body’s reaction is considered exaggerated because these substances are usually harmless to non-allergic individuals and include molds, pollen, pet dander, and dust mites. According to an allergy Dr. in Leesburg, allergies can develop at any age, even in adulthood, and most individuals eventually outgrow them. Foreign substances that cause allergies are known as allergens, and you’re said to be allergic or atopic if you’re prone to allergies. The immune system defends the body against foreign substances such as viruses and bacteria.

Occurrence
Millions of people are affected by allergies, and the number seems to be increasing every year. Some of the most common allergies include asthma, and allergic rhinitis, which have a huge economic burden due to prescription costs and missed work/school days. The job of the immune system is to organize the body’s defenses and attack foreign invaders, especially infections. The immune system is responsible for recognizing and responding through the production of antibodies, which fight these foreign substances, known as antigens. During the process of destroying the foreign particle, the allergic individual develops a unique type of antibody known as immunoglobulin E or IgE against whichever allergens the person is allergic to. In most cases those with allergies may experience swelling,...