Certain parts of the population are more vulnerable to the health consequences given them-- having the metabolic syndrome.

由于患有代谢综合征,某类人对身体疾病的承受力更为脆弱

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And they did this by taking-- they recognized that somehow, if you had a mild exposure to the disease, your body could then develop protection against more severe forms of the disease.

他们通过用,他们通过某种方式意识到,如果较轻微地得过这种病,你的身体会发展保护机制,来抵挡更为严重的疾病

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