Allergy is a hypersensitivity disorder that includes the immune system reactions to things that are typically harmless to most people.  Allergic reactions occur when your immune system mistakenly believes that certain substance is harmful to your body.  Substances that cause allergic reaction includes certain foods, dust, plants, pollen or medicines, and are called allergens.  The immune system produces antibodies to that allergen in an attempt to protect our body.  Those antibodies cause cer...

When you hear the issue of allergies, you have also probably heard about allergens.  One should know that in the exposure to allergens, allergies eventually occur as a hypersensitive reaction of the body’s defense mechanisms.  More often, allergens are considered are really harmful objects for allergic reactions can further complicated to the extent of getting a person unable to breathe, thus, dies.  Allergies are often experience by people who are sensitive to dust, plant pollen and some t...