They are usually worthy but inconclusive, nearly always complaining about lack of evidence and calling for further research.

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Keep in mind that the business community is always complaining about regulations.

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Are your elders always complaining about loud and monotonous music?

ENGADGET: Researchers prove your grandmother right, modern music is louder and all the same

"Sometimes it's fun to talk about the boss, but the person who is always complaining is widely disliked as well, " Mr. Purdy says.

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