You can also try putting an end to unhealthy habits like excessive drinking and smoking.

而且，戒除掉诸如酗酒、吸烟这样的不良习惯也会有所帮助。

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That's not an excuse to give up. Understanding how unhealthy behaviors become ingrained has scientists learning some tricks that may help good habits replace the bad.

那不是放弃这些不良习惯的理由。明白为什么这些不良习惯根深蒂固使得科学家了解到用良好的习惯替代不良习惯的方法。

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Stress, unhealthy diet, lack of exercise, and other harmful habits can all contribute to the deterioration of the brain even at an early age of 30.

精神压力，不健康饮食，缺乏活动及其它有害习惯都促成了大脑在30岁就开始退化。

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Stress, unhealthy diet, lack of exercise, and other harmful habits can all contribute to the deterioration of the brain even at an early age of 30.

精神压力，不健康饮食，缺乏活动及其它有害习惯都促成了大脑在30岁就开始退化。

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