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What was the average lifespan of a human in the 18th century?

The average lifespan of a human in the 18th century was around 30-40 years. This was due to high rates of infant mortality and deaths from diseases that are now preventable or treatable.


What is the significance of sanitation?

Sanitation is important for preventing the spread of diseases by removing or controlling waste and contaminants that can harm human health. Proper sanitation practices, such as clean water supply, waste disposal, and personal hygiene, are essential for maintaining public health and reducing the risk of infectious diseases.


What does sanitation refer to?

Sanitation refers to the provision of facilities and services for the safe disposal of human waste and the maintenance of hygienic conditions, particularly in relation to clean water and food preparation. It is essential for preventing the spread of diseases and promoting public health.


Which are the advantages and disadvantages of sanitation?

The decrease in infectious diseases is one of the biggest advantages of a good sanitation system. A major disadvantage of sanitation is a decrease in the human immune system to fight off infections.


What effect does climate and geography have on human health?

This is a very interesting and intelligent question, but don't you want to consider the several kinds of climates all over the world ? Taking your question on a general sense, human tissues are affected by temperature and humidity variations, becoming people vulnerable to common and to serious diseases as well. Clothes protect people against bad weather.Considering a naked person, climate variations would be much more dangerous, because we do not have thick hair like animals subjected to extreme levels of temperature and humidity. Geography, when concerned to human health, is related to the distance above sea level which increases or decreases air pressure and this also affects human health, but this is a different condition because people who are living on those places are adapted to them.