The Most Controversial Health Stories of 2011

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Turn brown eyes blue with new laser

For when colored contacts just aren’t permanent enough, a California company claims its new laser technology can change brown eyes blue. The technology won’t be available in the United States for at least three years, but it’s already sparking questions about genetic identity and family ties. (Eye color is one of the inevitable traits passed down from parents to children.) In November, “Time”’s Healthland blog published a story on why the idea feels “off-color."

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