When your well-meaning mom sends you an email telling you that SLS causes cancer or Propylene Glycol causes brain damage, it can make even the most caviler chemist nervous.

当你好心的妈妈给你发送电子邮件，告诉你SLS导致癌症，或者丙二醇导致大脑损伤，即使最吹毛求疵的化学家也会紧张。

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Besides the mutations, or changes, in DNA found in cancer patients, even healthy people turned out to have several variants in their mitochondrial DNA, though mostly in small proportions.

他们除了发现癌症患者的DNA出现突变或改变之外，还发现即使是健康人的线粒体dna也会产生若干变体，尽管比例不是很大。

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And even two people with breast cancer, or two people with lung cancer, might have two very different diseases on the molecular level, so a drug that works for one might not work for the other.

即使两个同患乳腺癌的病人或者两个同患肺癌的病人他们在分子层面上可能有两种非常不同的疾病。所以对一个人有用的药不一定对另外一个人就有用。

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For now, however, there is a palpable buzz about the idea that arthritis drugs could help prevent or even treat cancer.

FORBES: Magazine Article

The French scientists looked at 163 non-drinkers who had fatty livers - where fat deposits build up in the organ, potentially leading to formation of fibrous tissue and then to cirrhosis or even liver cancer - to see how many of them had the sleep disorder.

BBC: NEWS | Health | Sleep disorder liver disease link

On taking a closer look they found that the new genes placed themselves inside normal genes and so could potentially damage their functioning or could even cause cancer.

BBC: Gene therapy 'causes leukaemia'