The data and the relationships we are talking about are based on studies in the field, and other direct observations.

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"The problem is, now you're talking about dragging the NIH into paying for some of the most expensive studies around at a time when the budget at the NIH is under very great strain, " says John Newcomer , a psychiatrist at Washington University in St.

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Studies show that parents do a lame job of talking to their kids about money, but that doesn't mean we're not imparting our values.

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Indeed US strategic analyst Prof Tony Cordesman, of the Centre for Strategic and International Studies in Washington DC, thinks that we are far too cavalier in talking about the application of military force.

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In fact, a battery of studies by Diana Tamir and Jason Mitchell of the Department of Psychology at Harvard University found that talking about ourselves lights up the same brain pleasure centers as food, money and sex.

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