1 Air pollution acts in a similar manner to cigarette smoke. 2  The pollutants cause inflammation in the airways, leading to the destruction of lung tissue. 3  Abnormal airway reactivity, such as bronchial asthma, has been shown to be a risk factor for the development of emphysema.
Luis Rivera (III) Luis Rivera is an actor, known for Bad Man's River (1971), Guns of the Magnificent Seven (1969) and Custer of the West (1967). See full bio Â».
Man at the Crossroads: Diego Rivera's Mural at Rockefeller Center, is a whodunit tale that also illustrates the tensions between art and politics. Exhibition co-curator Susana Pliego says the Rockefeller family was aware of Rivera's leftist politics when it commissioned the work.