Despite the fact that a significant improvement has been made in medical treatment, global health is still a serious issue that needs addressing. One aspect of this is widespread diseases, which have been threatening nations all around the world, bringing about a number of problematic effects. Furthermore, developing countries are at a disadvantage in terms of reacting to these illnesses due to their high level of poverty and shortage of education. In particular, cancer, AIDS, and malaria are considered to be severe diseases in developing countries. Therefore, possible causes and effects of these particular diseases will be discussed in this essay.
Cancer has been regarded as the most serious illness in a number of developing countries since 2010 (International Network for Cancer Treatment and Research, n.d.). Its causes are associated with many aspects, but the central one is lifestyle, which accounts for 80%-90% of all factors (Stadler, 2009). For example, according to Boutayeb and Boutayeb (2005), smoking, as the single leading cause, is directly linked to one-third of cancer deaths in developing countries. They also claim that the unhealthy diet is another factor and 60% of oral cavity, pharynx and oesophagus cancers are related to micronutrient deficiencies resulted from not having adequate vegetables, fruits and animal products in many developing countries. In addition to the way of living, cancer is also partly attributed to environmental pollution. A case in point is Jiangsu province in China. Making up only 5% of the population, it accounted for 12% of all cancer deaths in the country. One possible reason is that as an industrial city, its environment has been badly polluted. For instance, 93 substances, which can cause cancer and are mainly associated with factory waste, have been found in a river in this province (Brown, 2006).
Because of these issues, cancer has a devastating impact on the economy
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