其中22位患各种头颈部癌症，24位患肺癌及36位健康。

Of these 22 had various head-and-neck cancers, 24 had lung cancer and 36 were healthy.

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在美国，每年有超过35000例患者被诊断为头颈部癌症。

More than 35,000 people are diagnosed with head and neck cancer annually in the United States alone.

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九项研究的分析显示，每天一杯或数杯咖啡会减少你患头颈部癌症的风险。

A cup or more daily may cut your risk of some types of head and neck cancers, says an analysis of nine studies.

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