GK
WORLD HISTORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What are THREE reasons that the rise of civilizations led to more diseases?
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More people living together (greater population density) enabled diseases to spread
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Writing led to a more sedentary lifestyle (not moving around), so people became unhealthy
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Irrigation involves slow-moving and standing water, where disease-causing organisms multiple
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People got diseases from domesticated animals such as pigs and chickens
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Explanation:
Detailed explanation-1: -Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, Ebola, and COVID-19. Viruses are like hijackers.
Detailed explanation-2: -The five periods of disease (sometimes referred to as stages or phases) include the incubation, prodromal, illness, decline, and convalescence periods (Figure 12.2. 1). The incubation period occurs in an acute disease after the initial entry of the pathogen into the host (patient).
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