Abstraction: when applied to dance, this word refers to choreography that does not have a narrative character. In other words, an abstract dance does not tell a story, nor is related to symbolic contents or any kind of associations with feelings, ideas or other elements than movement itself.
Other little known facts include: 1  Each year, nearly 3,500 people in the U.S. die from asthma. 2  Asthma is the single most prevalent cause of childhood disability in the U.S. 3  The cost to society of asthma in the U.S. is over $50 billion per year in healthcare expenses, missed school and work days, and early death.
This videoâpresented by the National Heart, Lung, and Blood Institute, part of the National Institutes of Healthâdescribes asthma, its signs and symptoms, and ways to manage the disease. Asthma is a chronic lung disease that inflames and narrows the airways, making it hard to breathe. The disease affects people of all ages, but it most often starts in childhood. People who have asthma may wheeze, cough, feel short of breath, or have chest tightness.