这个建议很合理，理由有很多：经常锻炼的人患各种疾病的风险大大降低，特别是心脏方面，他们得患癌症、糖尿病和其他病症的几率较低，不过过去几年对肥胖症的研究显示：锻炼对于减肥的作用被过分夸大了。

They less often develop cancer, diabetes and many other illnesses. But the past few years of obesity research show that the role of exercise in weight loss has been wildly overstated.

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