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Allergies can get worse—or even begin—as you age Allergy symptoms happen when the immune system interprets typically harmless substances, such as grass or pollen, as threats.
Here are six reasons why allergists say you can develop adult-onset allergies, and what to do about it. 1. Climate change. Studies show the pollen count is higher in the U.S. due to climate change ...
“Different allergens and pollen spike throughout the year, and it can sometimes be difficult to diagnose gastrointestinal issues due to seasonal allergies because oftentimes upper respiratory ...
At least 40 deaths per year due to insect venom. About 400 deaths due to penicillin anaphylaxis. About 220 cases of anaphylaxis and 3 deaths per year are due to latex allergy. [153] An estimated 150 people die annually from anaphylaxis due to food allergy. [154] Between 1999 and 2006, 48 deaths occurred in people ranging from five months to 85 ...
An allergen is an otherwise harmless substance that triggers an allergic reaction in sensitive individuals by stimulating an immune response.. In technical terms, an allergen is an antigen that is capable of stimulating a type-I hypersensitivity reaction in atopic individuals through immunoglobulin E (IgE) responses. [1]
Just as with allergic rhinitis, people can have either seasonal or perennial local allergic rhinitis. The symptoms of local allergic rhinitis can be mild, moderate, or severe. Local allergic rhinitis is associated with conjunctivitis and asthma. [42] In one study, about 25% of people with rhinitis had local allergic rhinitis. [45]