科学家认为主要有“两大”原因，即缺乏锻炼和食物摄入量的增加：美国人摄取的卡路里远比消耗的要多得多。
The "Big Two," as scientists call the leading factors, are reduced exercise and increased food consumption: Americans are ingesting more and more calories than they're burning.
肥胖最主要的原因众所周知：不良的饮食习惯，缺乏体育锻炼，以及遗传性肥胖。
The most commonly implicated causes of obesity are well known: poor diet, lack of physical activity, and genetic predisposition.
损害健康心脏的原因：缺乏锻炼。
最近的研究成果表明，压力，抽烟，缺乏锻炼是导致心脏病的主要原因。
The recent research shows that stress, smoking and lack of exercise are the main factors to cause heart disease.
导致便秘的主要原因是缺乏体育锻炼、膳食结构不合理、排便习惯不良、心理精神紧张等。
The main reasons for constipation are lack of exercise, bad structure of diet, bad habits of defecation and anxiety.
最近的研究成果表明，压力、抽烟、缺乏锻炼是导致心脏病的主要原因。
The result of recent research suggests that stress, smoking and a lack of exercise are the main reasons that lead to heart diseases.
首先，暴饮暴食而且缺乏锻炼是最主要的原因。
First, overeating but lacking of doing exercises is a common reason.
超级大餐与缺乏锻炼也许不是肥胖在美国蔓延的仅有的原因。
Supersized portions and lack of exercise may not be the only reasons for the spread of obesity in the u.
病的主要原因是缺乏锻炼和饮食过量。
The primary causes of obesity are lack of exercise and overeating.
最近的研究成果表明，压力抽烟缺乏体育锻炼是导致心脏病的主要原因。
The result of recent research suggests that stress, smoking and a lack of exercise are the main reasons that lead to disease.
原因往往是行为上的——吸烟、不良的饮食习惯以及缺乏锻炼。
The causes are often behavioral——smoking, poor eating habits and a lack of exercise.
最近的研究成果表明，压力、抽烟、缺乏锻炼是导致心脏病的只要原因。
Recent studies show that the pressure, smoking, lack of exercise is the result of heart disease as long as the reasons.
缺乏锻炼和忽略想上厕所的冲动也是导致便秘的原因。
Other factors contributing to constipation are lack of(4) exercise and ignoring the urge to go to the bathroom.
从调查问卷中可以看出，影响高校高级知识分子健康的主要原因是工作压力过大、生活无规律、缺乏体育锻炼、不良的生活习惯和睡眠不足。
From the investigating questionnaire, we find the major reason which affect the college high-grade intellectual health is exceptional pressure and bad habit, lack of physical training and slumber.
缺乏锻炼也是原因之一，年轻人每周锻炼1次的不足1%。
Lack of exercise is also an issue. Less than 1% of young people work out once a week.
感觉到了自己词汇量少，英语口头交际能力不强等不足的地方，还找出了原因主要是因为平时说英语的机会不多，缺乏锻炼。
So that i came to the English corner, see a lot of foreigner friends I felt very happy to be able to communication with them.
缺乏锻炼也是原因之一，年轻人每周锻炼1次的不足1%。
Lack of exercise is also an issue. Less than 1 percent of young people work out once a week.
缺乏锻炼也是原因之一，年轻人每周锻炼1次的不足1%。
Lack of exercise is also an issue. Less than 1 percent of young people work out once a week.
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