Watching television more than two hours a day early in life can lead to attention problems later in adolescence, according to a study released on Tuesday.
据本周二公布的一项研究结果，儿童时期每天看电视超过两小时会导致青少年时期出现注意力问题。
Both the prenatal period and adolescence are critical times in brain development and smoking has been linked to memory and attention problems in teens.
在孕期和青春期对于大脑的发育是关键时期，吸烟与十几岁的青少年在记忆力和注意力上出现的问题有关。
At present, a number of enterprises are or will be in their "adolescence", which may bring about many particular problems such as the sharp expansion of various risks.
当前，一大批企业即将进入或已经处于“青春期”，面临着诸多青春期问题，各种风险陡然增加。
But smoking in adolescence did not necessarily predict weight problems for men, according to the study.
不过研究显示在青春期吸烟对男性的影响就小的很了。
But smoking in adolescence did not necessarily predict weight problems for men, according to the study.
不过研究显示在青春期吸烟对男性的影响就小的很了。
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