Rhinitis peppers). The quality of evidence is low, however. Allergic rhinitis or hay fever may follow when an allergen such as pollen, dust, or Balsam of Peru is inhaled by an individual with a sensitized immune system, triggering antibody production. These antibodies mostly bind to mast cells, which contain histamine. When the mast cells are stimulated by an allergen, histamine (and other chemicals) are released. This causes itching, swelling, and mucus production. Symptoms vary in severity between individuals. Very sensitive individuals can experience hives or other rashes. Particulate matter in polluted air and chemicals such as chlorine and detergents, which can
The Rhinitis Revelation The Rhinitis Revelation "The Rhinitis Revelation" is the sixth episode of the fifth season of the US sitcom "The Big Bang Theory" and the 93rd episode of the show overall. It first aired on CBS on October 20, 2011. Sheldon's mother, Mary Cooper, is going on a Christian cruise called the "Born Again Boat Ride". Before the cruise, she has a weekend in Pasadena and visits Sheldon. However, he is upset when she does not do anything on his itinerary. Instead of his mother cooking chicken and making pecan pie, they go out to a restaurant for sushi; when doing