世界心脏日的主题“你的心脏有多年轻”，致力于通过控制三大危险因素饮食、身体活动和烟草使用来预防心血管疾病。
The theme of World Heart Day, "How Young is Your Heart" addresses prevention of cardiovascular diseases by controlling three major risk factors: diet, physical activity and tobacco use.
从一些有脑外伤(TBI)的病人身上，可以得到有关烦闷成因的一些线索：脑外伤的人，最初的表现就是容易沉湎于危险程度较高的活动。
Clues to the underlying causes of boredom have come from patients who suffer traumatic brain injuries (TBI). People with TBI often begin to indulge in riskier activities after their accidents.
它的疯狂流行进而衍化出了极限planking——在很高的地方进行有危险性的plangking活动。
Its popularity on the site lead to "extreme planking," photos of dangerous planking attempts - usually in high places.
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