Bring up the subject of pacifiers among new parents, and you?ll probably spark a spirited conversation that will wake up every sleeping baby within a block or so. Now, a UW-Madison study is likely to fuel even more debate about the trusty old nuk. Or nuki. Or binky. Or na-na. Or whatever you have chosen to call the device that serves as a remarkably effective volume control for most babies. Paula Niedenthal, a psychology professor and lead author of the study, found that boys who used pacifiers as babies scored lower on tests that measured their emotional development.
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