Short answers, pulled from the story.
Clemens von Pirquet coined the word allergy in 1906. This Viennese pediatrician observed that children receiving horse serum or smallpox vaccine suffered quicker reactions upon second exposure, marking the birth of a new medical concept.
Identical twins share the same allergic diseases about 70% of the time. Non-identical twins share them about 40% of the time, highlighting the profound influence of heredity on susceptibility.
About 35.9 million people in the United States suffer from allergic rhinitis. Additionally, 10 million people have allergic asthma, and the prevalence of atopic eczema increased from 3% to 10% in children between 1960 and 1990.
Studies show a 43% drop in peanut allergies among young children following revised guidelines. These guidelines encourage introducing peanuts to high-risk infants as early as 4 to 6 months of age.
The ImmunoCAP Specific IgE blood test measures the concentration of specific IgE antibodies in the blood. This test serves as a successor to the radioallergosorbent test and offers a safer alternative for infants and young children.