YOUR GENES change. In May, a study was published in the Proceedings of the National Academy of Sciences showing that changing your lifestyle changes your genes.

　　YOUR TELOMERES(染色体端粒)

　　get longer. Telomeres are the ends of our chromosomes(染色体) that control

　　how long we live. As telomeres become shorter, then cells age more quickly, thus shortening your life.

　　Besides, one of the

　　most interesting findings in the study was that the mothers' awareness of stress was more important than what was really occurring in their lives. The researchers gave the women a questionnaire and asked them to rate on a three­point scale how stressed they felt each day, and how out of control their lives felt to them. The women who were aware that they were under heavy stress had significantly shortened and damaged telomeres compared with those who felt more relaxed. On the contrary, some of the women who felt relaxed despite raising a disabled child had more normal­appearing telomeres.

　　In other words, if you feel stressed, you are stressed; if you feel fine, you are fine.

　　文章大意：最新研究表明适当的锻炼和正确的饮食和愉悦的心情能够带来很多好处。比如一个人的大脑会有更多的血液流过，带来更多的氧气，这样人就会思维活跃，精力充沛；此外，面部也会减少皱纹，看上去更年轻漂亮，更不恰当的饮食，不良情绪和吸烟会加速一个人的衰老和死亡。

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