Academia has become a bit of a progressive echo chamber. The result ends up being that certain ideas are accepted as truth even when there is little to no actual evidence for it. I wouldn't say that applies to all findings but there have been some studies that confirm that this happens. It usually happens more in the social sciences but the hallmarks are there in some of the hard sciences as well. 

 

Edit: When we see taxpayer dollars going to fund shrimp on treadmill studies, don't be so surprised when we start asking questions about where our money went.   

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