It is theseproducts that destroy the endothelial cells lining our blood vessels, whichleads to heart disease, sudden death from heart attacks, and coronary bypasssurgeries.

正是这些产品破坏了我们的血管内皮细胞，这种状况会导致心脏病、突然死于心脏病发作、和冠动脉搭桥手术。

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A: a predisposition to heart disease would probably increase your risk of sudden death, but it happens at all ages and can happen to otherwise healthy people.

答：易患心脏病的人可能会增大突然死亡的风险，但是它也发生于所有年龄段的人，而且也可能发生在健康人身上。

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It also ups the risk of sudden death from heart disease-related complications, such as abnormal heart rhythms, by as much as 40 percent.

同时，因心脏疾病引发猝死的概率，比如心律不正常，比正常人高出40%。

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"Yet despite being the UK's single biggest killer, the first sign someone has heart disease is often severe chest pain or sudden death".

BBC: Dundee researchers develop tests for early heart disease

The disease is the leading cause of heart-related sudden death in people under 30.

CNN: Blaming others can ruin your health

Secondhand smoke can increase the risk of respiratory ailments, lung cancer, and heart disease in nonsmokers, and the risk of sudden infant death syndrome and middle ear infections in children.

CNN: Sinus trouble? Secondhand smoke may be to blame