Which of the following is an example of an instance of public health education that created positive externalities?

teaching pregnant women hygienic practices in the early 1900s

people learning the importance of washing their hands

public campaigns against smoking in the late 1900s

all of the above

Teaching preg women abt hygienic practicers helped prevent infection because preg women are more prone to infections since they sweat more and stuff... (due to hormone)

People learning the importance of wash their hands is important because it helps prevent the spread of dieases. For example the infamous coronavirus

Public campaign against smoking was important in the 1990s because people back then didn't know smoking could cause. It caused cancer stroke lung dieases etc

Which of the following is an example of an instance of public health education that created positive externalities? teaching pregnant women hygienic practices in the early 1900s people learning the importance of washing their hands public campaigns against smoking in the late 1900s all of the above

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