twins linus, left, and maarten have more sweat glands and tooth precursors than their older brother joshua, 5, after being treated with a drug in utero.
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chess grandmasters show the same longevity advantage as elite athletes
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suicidal thoughts, attempts on the rise among young people: 'it's a critical public-health crisis right now'
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.; author, dr. barbara starfield, revered public health expert at the johns hopkins school of public health; �is us health really the best in the world?�
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