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Why is there such an alarming increase in the number of children with food allergies? More than three times as many children have food allergies now than twenty years ago. And one out of every three children is now allergic to something, be it food, animals, or plants. In searching for a fix, scientists are upending the conventional wisdom about what causes allergies and how to deal with them.
(Source: DCMP)
This video explores the wide range of defense mechanisms the body calls upon to fight foreign invaders in an effort to maintain health. Immune responses, diseases, and care of the immune system are some of the topics addressed. Concepts and terminology include: pathogen, defenses, lymph, phagocytes, macrophages, lymphocytes, humoral immunity, antibody, acquired immunity, vaccines, allergies, autoimmune disorders, AIDS, immune disorders, and care of the immune system.
In this episode, groups of citizen scientists use apps and maps to help researchers gather data about medical conditions. Sensors on asthma inhalers generate real-time maps of environmental dangers to help patients and physicians in Louisville, Kentucky. In West Oakland, California, citizens confront air pollution and rising asthma rates by collecting traffic data. Citizen scientists are fighting mosquito-borne diseases with apps and crowd-sourced data in Barcelona, Houston, and New Orleans. Part of "The Crowd and the Cloud" series.
