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A test to tell if you are at risk from Alzheimer’s disease and dozens of other conditions goes on sale in Britain today costing £125. 在英国，你只要花125英镑（约合人民币1210元）进行一个DNA检测，就能知道自己患阿尔兹海默症（Alzheimer’s disease）或其他几十种疾病的风险有多高。 The test uses a saliva sample to provide more than 100 pieces of genetic information including whether users are more likely than normal to suffer Parkinson’s, some cancers or baldness. 这项测试以唾液作为样本，可为测试者提供100多种基因信息，包括患帕金森症（Parkinson’s）、脱发或某些癌症的风险是否高于正常水平。 It can also predict whether they like coffee or hate Brussels sprouts, which type of exercise is likely to suit them best and give information about a person’s ancestry. 测试还能预知他们对食物的偏好，如爱喝咖啡或者不爱吃抱子甘蓝，以及最适合的锻炼方式，也可以知晓某人的家族史。 The test, already available in the US, is being marketed online by 23andMe, a firm part-funded by Google. A customer spits into a tube, seals it and sends it back to 23andMe’s labs for analysis. Four to six weeks later, they receive a detailed report in the post written in everyday language. 目前，人们已经可在美国接受此测试，由谷歌公司部分出资的“23andMe”的公司也在进行网上销售。顾客可以用小试管收集自己的唾液，把它密封好，然后寄到公司的实验室进行分析。四至六周后，顾客便能收到简单易懂的详细测试报告。 | 
