Abstract:Original Research Article Introduction: Cancer is a major health challenge all over the world. It has devastating effect on individual, family and society. The number of cancer deaths worldwide has been considered to be about 4 million each year. An estimated 12.66 million people were diagnosed with cancer across the world in 2008, and 7.56 million people died from the disease. During the past century, cancer has emerged as the most challenging problems for public health systems in medium-and low-resource coun… Show more
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