Overweight guys will have even more company in a few years. Justin Sullivan/Getty Images hide caption

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H5N1 avian flu viruses (seen in gold) grow inside canine kidney cells (seen in green). Cynthia Goldsmith/CDC hide caption

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Tokay Geckos, like this one perched on a twig in suburban Quezon City, Philippines, are being hunted and killed to satisfy booming demand for them as an ingredient in alternative medicines. Bullit Marquez/AP hide caption

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Wife Deborah Bryant waits as Mississippi Governor-elect Phil Bryant thanks a supporter Tuesday at a victory party. Bryant supported a controversial amendment to the state's constitution on "personhood." Rogelio V. Solis/AP hide caption

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'Personhood' Divides Anti-Abortion Groups

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Wal-Mart Plans Ambitious Expansion Into Medical Care

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Chicago attorney Tom Hayward suffered a raging infection after a prostate biopsy. He had to be hospitalized, but has since recovered.

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Influential Panel Gives Thumbs Down To Routine Prostate Cancer Test

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The upper row of images shows blood samples through a traditional microscope. The bottom row shows the same samples imaged on a smartphone.

Courtesy of Sebastian Wachsmann-Hogiu and colleagues hide caption

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