How many people pay attention to science when trying to lead a healthy lifestyle? If not, why not?

martyfellow
An awfu lot of people believe mythical things, or refuse to believe the results of recent research. Just for example, many won't believe red win in moderation is good for you, regardless of the results of studies all over the world...Many people refuse to follow scientifically designed diets, and instead follow every unscientific fad diet that gets publicity.

The examples are legion of course.
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Pls rate the question folks!
How many people pay attention to science when trying to lead a healthy lifestyle? If not, why not?
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