Eat in a balance way and incorporate the right level of physical activity.
饮食要平衡，还要增加适量的体育活动。
What's an appropriate level of physical activity?
我应该维持何种程度的体力活动？
No one understands on a biochemical level why physical activity might help the brain.
在生物化学层面上，没有人能理解为什么身体锻炼有益于大脑。
Objective To investigate the relation of sleep duration and physical activity (PA) level to obesity.
目的：通过大样本横断面研究，初步探讨睡眠时间、身体活动水平和肥胖的关系。
Objective To investigate the relation of sleep duration and physical activity (PA) level to obesity.
目的：通过大样本横断面研究，初步探讨睡眠时间、身体活动水平和肥胖的关系。
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