1. And if the dance is a good physical exercise as well, the benefits multiply.
    如果这种舞蹈还是一种良好的体育运动，则益处加倍。

2. A corresponding control group that didn't exercise showed no improvement.
    而另一组相应的、未经锻炼的受控人群则不见任何提高。

3. "In older people, an exercise program appears important for brain maintenance," says Daniel M. Landers, professor of exercise science at Arizona State University,
    亚利桑那州立大学的运动学教授丹尼尔·M. 兰德斯说，"对老年人来说，锻炼计划对维持大脑功能似乎非常重要。"

4. Although many people assume that balance and movement problems are inevitable with age, an increasing body of evidence demonstrates that exercise can help improve balance and strength in elderly individuals and reduce their chance of falling.
    尽管许多人认为难以保持平衡和活动不便的问题随着衰老而不可避免，但越来越多的证据表明，运动有助于老年人增强平衡能力和增长力气，可减少他们摔跤的可能性。

5. "Tai chi has been used in China as an exercise for older individuals for three centuries and as a military art for 2,000 years," Wolf says.
    在中国，太极作为一种老年人的锻炼方式已有300多年的历史，而作为一种武术已经有2,000多年的历史了，"沃尔夫说。"

6. "The studies showed that even a low level of exercise can reduce the risk of falls," notes Washington University scientist Michael Province,
    华盛顿大学的科学家迈克尔·普罗文斯指出，"这些研究表明，即使是初级水平的锻炼，也能降低摔跤的危险。"

7. "Exercise can help older adults improve strength, balance, the ability to bend, and prevents them from tiring as easily.
    "锻炼能帮助老年人增长力气，增强平衡和弯腰能力，防止过易疲劳。

8. "The teacher wasn't necessarily there with them every time they did the exercise," Tinetti notes.
    蒂内提特别提到，"他们每次练习时，并非一定要教练陪在身边。"

9. Young brains may be especially able to boost brain power through exercise, suggested another of Greenough's experiments that showed the most significant changes in the brain occurred among rats that had been exercised when very young.
    据格里诺的另一组实验显示，年轻的大脑尤其能够通过运动来增强能力。这组实验表明，从小就锻炼的老鼠，其大脑的变化最为显著。

10. Some iron is lost in sweat, and, for unknown reasons, intense endurance exercise is sometimes associated with bleeding of the digestive system.
    有些铁离子随汗液流失。另外，由于某些未知的原因，高强度的耐力运动有时是与消化系统内出血联系在一起的。