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If you've just had your first heart attack, doctors will one day be able to reverse the damage done with stem cell therapy -- and that day is closer than you may think.
As holiday revelers lift their glasses at office parties and New Year's bashes, they may want to keep one rule of thumb in mind: the darker the liquor, the bigger the hangover.
Until last summer, both Nadir and Ahmed were -- for all intents and purposes -- girls. But their lives flipped 180 degrees when they hit puberty. They have a rare birth defect called male pseudohermaphrodism and it runs in their family.
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