Children under 18 years of age are at special risk of developing asthma; of the over 17 million people in the United States who suffer from asthma, about one-third are children.


Asthma is one of the most prevalent chronic diseases in the world. Its name is derived from the Greek word aazein, which means panting or breathless. It has been recognized as a health condition for centuries. Early references to it are found in ancient Greek medical texts like the Corpus Hippocraticum and the extensive medical writings of Galen dating to before 200 C.E. Asthma was first clinically described in modern biomedicine during the period just prior to the turn of the 20th century. Since that time its medical definition has been revised extensively. At first, ...

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