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In the American society, is the disease most feared by the majority of people within the U.S. has been known and described throughout history. In the early 1990s nearly 6 million cases and more than 4 million deaths have been reported worldwide, every year. Th ....

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.... Leukemia, or of the blood, is the most common type in children. An increasing incidence has been clearly observable over the past few decades, due in part to improved screening programs, and also to the increasing number of older persons in the population, and also to the large number of tabacco smokers--particularly in women. Some researchers have estimated that if Americans stopped smoking, lung deaths could virtually be eliminated within 20 years. The U.S. government and private organizations spent about $1.2 billion annual for research. With the development of new drugs and treatments, the number of deaths among patients under 30 years of ag ....