Excess belly fat is becoming notorious as a sign of a heightened risk of diabetes, high blood pressure, stroke, heart disease, gall-bladder disease and numerous cancers.
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研究人员发现一种“电子鼻子”能够从肺癌或头颈部癌症病人的呼吸中识别癌症的化学信号。
Researchers found an "electronic nose" was able to identify chemical signals of cancer in the breath of patients with lung or head and neck cancer.
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例如，最近的研究已表明，本应在发育结束后沉默的刺状分支信号，会在一些癌症细胞中被唤醒。
Recent work has shown, for example, that the signals that spur branching — which are typically silent once development is complete — are reawakened in some tumors.
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