Conclusion: To elevate the lithium levels of serum and erythrocyte might improve heart function and reduce the morbidity of cardiovascular disease.

结论：提高血浆或红细胞内微量元素锂的含量，可望降低心血管疾病的发病率并改善心脏功能。

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It suggests that swimming exercise is benefit to keep good shape of college students and improve the cardiovascular and respiratory function.

提示游泳锻炼有利于保持大学生体型健美，改善其心血管、呼吸系统功能。

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Which is why, during the trials, a group of doctors led by Robert Grossman of the Methodist Hospital, Houston, will monitor such things as the participants' bone density, respiratory function and cardiovascular systems, all of which are expected to improve when someone is no longer stuck in a wheelchair.

ECONOMIST: Bionics (I)