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  1. Health & Medicine

    Marker signals esophageal cancer

    Silencing of the gene that encodes the cancer-suppressing protein APC is common in people with esophageal cancer, suggesting that physicians might use this genetic abnormality as a marker for the disease.

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  2. Health & Medicine

    Is penicillin-allergy rate overstated?

    A study finds that 20 of 21 people who reported having a penicillin allergy when filling out paperwork during a hospital visit in fact don't have one, suggesting that the prevalence of this allergy is overstated.

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  3. Man’s brain incurs disgusting loss

    A brain-damaged man yields clues to the neural organization responsible for experiencing disgust.

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  4. Brain sets sights on mind’s eye

    Brain regions implicated in vision may also contribute to the images in the "mind's eye."