Some health problems increase the risks associated with having surgery or may be worsened by surgery, such as blood clots, liver disease, heart problems, kidney stones and nutritional deficiencies.

一些健康问题会增加手术相关风险，甚至因手术而加重，比如血栓、肝脏疾病、心脏问题、肾结石及营养缺乏。

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The disease worsened and for the last years of his life he was completely deaf.

后来病情恶化了，他的最后几年什么也听不见。

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Afterward, she recalled being told by doctors to hold off treatment, since there weren't any good options available until the disease worsened.

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Despite the decline in regular TB, drug resistant strains of the disease have worsened and spread here and globally.

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Age related chronic conditions like heart disease and diabetes are worsened by long term substance abuse.

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