We are often encouraged to maintain a positive mental attitude. And there are tons of books and blog posts devoted to explaining how important this is as well.

But sometimes it can be exhausting to keep it up!

So how important is it really, to maintain a positivity 24/7?

Or could there be some hidden downsides?

A 2018 study provides some counterintuitive findings, related not just to overall mental health and well-being, but performance as well.

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