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This is Scientific American 60-Second Mind, I'm Christie Nicholson. Got a minute?

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It's a given that most babies wear diapers, in western cultures anyway.

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But diapers may trap more than waste--they may also confine a baby's ability to walk.

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Scientists compared the walking gaits of 60 babies who were either naked, wore a thin disposable diaper or a thick cloth diaper.

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Half the babies were 13-month old novice walkers and the other half 19-month old experienced walkers.

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When the 30 13-month olds walked naked only 10 fell,

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but while wearing the cloth diaper 21 of them fell, and while wearing the disposable 17 of them fell.

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Among the 19-month olds only 4 fell while naked or wearing disposables, while 8 fell when wearing cloth diapers.

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But both age groups took wider and shorter steps while wearing diapers as opposed to walking naked.

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The research is in the journal Developmental Science.

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The study can't predict if wearing diapers has a long-term impact.

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Nonetheless the researchers believe walking naked would speed up walking development.

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But then we are left with the issue of covering the entire house in plastic and relying heavily on the child's ability to communicate his or her elimination intentions.

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Thanks for the minute, for Scientific American 60-Second Mind. I'm Christie Nicholson.

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