Yet chemotherapy can weaken the heart muscle and some newer targeted medicines increase the risk of heart failure.

然而化疗会削弱心肌，一些新的靶向药物会增加心力衰竭的风险。

As they report in the journal ACS Nano they have used the heart muscle itself to power a tiny generator.

如他们在《ACS Nano》期刊中的报告所述，他们利用心脏肌肉为一个微型发电机充电。

The treadmill and bicycle machine help maintain cardiovascular fitness and prevent the heart muscle from deteriorating.

跑步机和自行车机有助于维持心血管健康并防止心肌恶化。

On January 3rd AstraZeneca, a British drug company, said it would buy human heart muscle, blood vessels, nerve cells and liver cells made from iPS cells by Cellular Dynamics, a company founded by James Thomson.

1月3日，英国阿斯利康制药表示将向杰姆·汤姆生创立的细胞动力公司购买用诱导能干细胞生产的心肌、血管、神经细胞和肝细胞。