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                             Is Stress Always Negative? 
                            
                                Not at all. A number of studies have shown that some degree of stress is important for human development. As early as 1908, two researchers at Harvard University’s Physiologic   
                                Laboratory discovered that, up to a point, increased stress results in improved performance and efficiency – a principle showing “the effects of stress on performance” is illustrated in the bell curve 
                             
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