Cancers Presence in the World - 1598 Words

Cancer represents a significant cause of morbidity and mortality worldwide, accounting for 8.2 million deaths in 2012. According to the last World Health Organization report, It reveals that it is expected that the global burden of cancer will rise from an estimated 14 million new cases per year in 2012 to 22 within the next two decades because of the aging and growth of the world population and an increasing adoption of cancer-causing behaviors. Lung, liver, stomach, colorectal and breast cancers cause the most cancer deaths each year. Cancer is spreading in the whole world, where Africa, Asia and Central and South America account for 70% of the world’s cancer deaths and more than 60% of world’s total new annual cases. Modern cancer therapy are radiotherapy, surgeries and chemotherapy. Chemotherapy is the most commonly used. Many anticancer agents where developed during the several past years. Some of these agents were effective and others failed and was withdrawn from the market. The majority of drugs used for the treatment of cancer today are cytotoxic, because they interfere with the operation of the cells DNA. Although these agents are potent they have the potential to be very harmful to the body unless they are very specific to cancer cells which is something difficult to achieve. Furthermore, the most potent anti-cancer agents used recently have many serious side effects that reduce their clinical efficacy. Nausea, vomiting, hair loss, and low blood count, which inShow MoreRelatedThe Differences Between Race And Race869 Words   |  4 PagesOver time, humans’ understanding of race has evolved dramatically. Now, human race relations in the civilized world serve as a key issue for politicians, news outlets and sociologists. 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If the numbers of cases stay the same in a ten year span roughly 2,500,000 people will be diagnosed, unless something is done to prevent or stop this world phenomenon (Targeted Therapy for Breast Cancer Prevention). There is no set date when breast cancer started to impact people; however, today it has been proven to be the number one form of cancer. Breast cancer is predominantly f ound in women of all