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It is a classic playground scare story - if you swallow chewing gum it will stay in your digestive system for seven years. 有个经典的大人拿来吓唬小孩的谎言——如果你吞下了口香糖，它将在你的消化系统里停留七年。 But according to scientists at the American Chemical Society, the tale is myth as chewing gum is no more harmful than the rest of the food that passes through our digestive system. 但是据美国化学学会的科学家称，这并非事实，其实嚼过的口香糖和其他经过我们肠胃的食物一样，没有什么危害。 It says while gum is harder to digest, it tends to pass harmlessly through our guts much like other foods. 研究发现，虽然口香糖很难消化，但是它和其它食物一样，都能从肠道无害排出。 | 
