What Is BroScience? Is it right or wrong?

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What is BroScience?
BroScience is a term commonly seen in the bodybuilding and fitness/nutrition lifestyle where knowledge is passed along mainly through experience rather than scientific evidence. Its anecdotal evidence presented as a fact by unqualified but confidence people.
"Scientific Evidence" taken from magazines
stated as implicit fact completely unsupported claim
no reasoning behind it and when that person spreading broscience is challenged on their information or its validity they refer to ad hominem / logical fallacy or attempting to negate the truth by pointing out a negative characteristic or belief of the person supporting it.
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