Feel like smiling? Great, your immune system is getting a boost. Feel like a bit of a bellylaugh? Wonderful, your pain tolerance just shot up. Seriously, laughter can do some really serious good for your body and your mind and your spirit and your health. Really, want someone to feel less pain? Tell ’em a…

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Usually, when we think of someone with a bit of self-delusion, we don’t think of it as a very positive thing . . . actually quite the opposite. However, there may be some evolutionary advantages to self-delusion which has made humans a bit more susceptible to over-confidence than one might have thought. See the article…

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