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  1. Brains in Dreamland

    Sigmund Freud's century-old dream theory gets a contrasting reception from two current neuroscientific accounts of how and why the brain generates dreams.

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  2. Nursing moms face meds dilemma

    A research review yields a little advice and a lot of uncertainty for nursing mothers with mental disorders who may expose their babies to potential dangers if they take prescribed psychoactive drugs.

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  3. Medicinal mirth gets research rebuke

    Little scientific evidence to date supports any of the purported physical health benefits of laughter and humor, a psychologist concludes.

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  4. Health & Medicine

    Chemotherapy leads to bone loss

    In women with early-stage breast cancer, malfunctioning ovaries and significant bone loss can occur within 6 months of chemotherapy treatment.