Why do Americans take so many more medications than people in Europe and elsewhere?

and how has this increased or decreased in past 20 years? again, why? Also, I noticed that many of the drugs people take are advised by their doctors, is this kind of a scheme/scam set up by law or what? and the drugs they take are for things that I think could be remedied by simply eating a healthy diet and... show more and how has this increased or decreased in past 20 years? again, why?

Also, I noticed that many of the drugs people take are advised by their doctors, is this kind of a scheme/scam set up by law or what? and the drugs they take are for things that I think could be remedied by simply eating a healthy diet and exercise......but why americans rather take pills?
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