With hazards everywhere, plus the complications of genetic predisposition and age, it is hard for someone to work out his actual risk of developing either cancer or metabolic syndrome.

• 风险本来就无处不在，遗传易感性和年龄因素更增加了情况的复杂性，某人想查明自己实际患癌症或新陈代谢综合疾病的风险自然十分困难。