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If you're stressed about being treated unfairly at work—and you happen to be male—you'd be well advised to find a way to release your frustration. According to a bunch of Swedish scientists at something called the Stress Research Institute, men who let things pass without saying anything are five times more likely to suffer a heart attack. (They're also more likely to turn up at the office one one day with a loaded AK-47, aren't they?) Strangely, the study didn't bother to mention what women are supposed to do in these situations, so you're female and your boss is torturing you, you'll have to keep it bottled up for the time being. [Reuters]