What are tropical diseases and their causes?

What exactly are tropical diseases? Tropical diseases are a group of diseases affecting the human population in parts of tropical and subtropical countries such as Africa, Asia, Eastern Mediterranean, South America and Central America. The scale of the diseases is ascribed to diminished resources, population expansion, climate change, failure of preventive measures, insufficient access to medical care, economic turmoil, and emerging drug resistance. At the same time, poor hygienic living conditions, inadequate sanitation facilities, lack of clean drinking water, and malnutrition are the major factors causing tropical infectious diseases. Therefore, tropical diseases are known as 'diseases of poverty.' Today, tropical diseases are also reported in non-tropical areas such as Europe, the United Kingdom, and the United States. This is largely due the global temperature rise, increasing human expeditions to tropical rainforests, deforestation, increasing migrations, and growing in...