This damage causes them to grow into abnormal lumps or tumours and spread around the body disrupting its normal processes and eventually--if unchecked--causing death.

这些破坏使健康细胞长成异常的肿块或肿瘤，扩散至全身，扰乱正常的生理过程，如不加以遏止，最终将导致死亡。

youdao

This potassium ion channel gene is the second such gene found by the group to cause abnormal electrical activity leading to death in epilepsy.

钾离子通道基因是该团队发现的第二个引起不正常电活动，从而导致癫痫死亡的基因。

youdao

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%。

youdao

Defibrillators use electric shocks to correct abnormal heartbeats that can lead to sudden death.

VOA: special.2010.08.17

There is very high certainty from well-designed trials that colon cancer screening, combined with effective follow-up and treatment of abnormal findings, reduces risk of colon cancer death by at least 35 percent and risk of getting colon cancer by 20 percent.

CNN: Are colonoscopies really necessary for people over 50?