TB is the seventh-highest cause of mortality in poor countries.

肺结核是贫穷国家第七大死因。

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Cardiovascular disease is the biggest cause of mortality in the world, the study said.

研究表明，心血管疾病是死亡率最高的疾病之一。

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Cardiovascular complications are a major cause of mortality in hemodialysis patients.

心血管并发症是血液透析患者死亡的主要原因之一。

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"Collisions with ships are the number one cause of mortality, and entanglement in fishing gear is the number two cause, " Lecky said.

CNN: Plan to save whales strangling in red tape

This parasite is not, however, as deadly as Plasmodium falciparum, the main cause of malarial mortality.

ECONOMIST: AIDS

Obesity is a major cause of morbidity and mortality and is associated with high medical expenditures.

FORBES: Alcohol, Obesity and Smoking Do Not Cost Health Care Systems Money