TED-Ed: The diseases that changed humanity forever | Dan Kwartler

The video explores the history of deadly diseases, starting from pre-agricultural societies to modern times. It discusses how human progress, such as agriculture and urbanization, has influenced the spread of diseases like malaria, tuberculosis, and the Black Death. The video highlights the role of medical advancements, particularly vaccines, in combating these diseases. However, it also points out the ongoing challenges in global health, emphasizing the need for accessible healthcare and new treatments.

What was a primary source of diseases for pre-agricultural communities?

• Use of primitive tools

• Contact with other human tribes

• Consumption of contaminated water

• Interaction with animals and the environment

How did the development of agriculture contribute to the spread of diseases?

• By increasing human mobility

• By creating standing water for mosquitoes

• By reducing food variety

• By promoting trade with distant lands

What was a significant factor in the spread of the Black Death?

• Advancements in medical science

• High birth rates in rural areas

• Dense population centers

• Improved sanitation practices

During the Black Death, which group was more likely to avoid infection?

• Wealthy landowners

• Rural farmers

• Traveling merchants

• Urban workers

What was a major cause of tuberculosis becoming an epidemic during the Industrial Revolution?

• Decline in urban populations

• Increased agricultural production

• Overcrowded and poorly ventilated living conditions

• Improved medical treatments

Which disease was eradicated due to the widespread use of vaccines in the 20th century?

• Malaria

• Tuberculosis

• Smallpox

• Measles

What is a current challenge in addressing global health threats?

• Lack of scientific research

• Inaccessibility of vaccines in some regions

• Decline in agricultural productivity

• Overpopulation in urban areas