What to focus in?

[111z]

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Hi I was looking for some insight into a focus when going into public health.
I was looking into community health, health education and health promotion.
Does anyone have insight into the above three?
Also, why is there a lot people interested in epidemiology?

 

[JMM051]

"community health, health education and health promotion"

Those are all pretty much the same field/concentration at most schools. The exact title will differ school to school.

 

[111z]

"community health, health education and health promotion"

Those are all pretty much the same field/concentration at most schools. The exact title will differ school to school.

I figured so, I was wondering what the field is about, what one does in it.