The Eagle Mountain International Church in Newark, Texas, is linked to at least 21 cases of measles. LM Otero/AP hide caption

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Pregnant doctors are less likely than other women to deliver their babies via C-section, recent research suggests. Economists say that may be because the physician patients feel more empowered to question the obstetrician. hide caption

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The underlying biology of age-related memory glitches — in old mice and old people — is different from what happens with Alzheimer's, recent research suggests. Anthony Bradshaw/ hide caption

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