Cancer is a global health problem on a constant rise. It is amongst major causes of morbidity and mortality globally, World Health Organization (WHO) reports. According to WHO, each year cancer claims millions of lives around the world and even more millions of new cases are registered. 2008 WHO cancer report revealed that over 7 million people died of cancer, most of them from developing countries. “T here were 7.6 million cancer deaths (around 13% of all deaths) with 56% of the new cases and 63% of the cancer deaths occurring in developing countries and 12.7 million new cases were recorded around the world,” reads part of the report. Meanwhile, about 14 million new cases were discovered in 2012 worldwide and the WHO fears that the statistics is expected to rise by about 70% over the next two decades. The disease was accountable for at least 8.8 million global deaths in 2015 and WHO recent studies indicate that currently over 8.2 million people die from canc...