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  1. Earth

    Air pollution trims fetal growth

    Pregnant women who breathe polluted air deliver babies that are typically slightly smaller than those born to other mothers.

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  2. Getting to gray hair’s roots

    Scientists have unveiled a root cause for why hair goes gray.

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  3. 19506

    This article attributes behaviors of earlier bedtime, longer sleeping, and earlier weaning to “greater personal independence” in children who sleep alone. It is equally possible that these behaviors are due to something else. Research predicting which children and families will benefit from co-sleeping or alone sleeping would be more useful. Heather Kuiper and Loren RauchOakland, […]

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  4. Goodnight moon, hello Mom and Dad

    A California survey indicates that the practice of allowing babies and toddlers to sleep in the same bed as their parents do occurs in two forms, each with its own implications for the quality of family sleep and the children's psychological development.