首先吸烟不仅对发育成长中的青少年的骨骼发育、神经系统、呼吸系统及生殖系

首先吸烟不仅对发育成长中的青少年的骨骼发育、神经系统、呼吸系统及生殖系统均有一定程度的影响。而且由于青少年时期各系统和器官的发育尚不完善，功能尚不健全，抵抗力弱，进而影响其整体的发育。
而烟草中又含有的大量尼古丁对脑神经也有毒害，它会使学生记忆力减退、精神不振、学习成绩下降。调查发现，不吸烟学生的学习平均成绩远比吸烟的学生高。有关资料表明，吸烟年龄越小，对健康的危害越严重，15岁开始吸烟者要比25岁以后才吸烟者死亡率高55%，比不吸烟者高1倍多。

結果 (英文) 1:

First smoking not only in the development of young people's bones, nervous system, respiratory and reproductive systems have some degree of influence. And because of youth systems and organ development is not yet perfect, features are not perfect with weak immunity system, affecting its overall development.And tobacco contain a lot of nicotine in the brain is also a poison, which causes memory loss, lack of energy, declining academic performance of students. Survey found that nonsmoking students ' average scores far higher than smoking. The data indicate that smoking is younger, more serious harm to health, age 15 smokers than smokers 55% higher until after the age of 25, 1 time much higher than nonsmokers.

結果 (英文) 2:

First Smoking is not only for the development of young people growing bone development, nervous system, respiratory and reproductive systems, they are to a certain extent. And because adolescence various systems and organ development is not perfect, the function is not perfect, weak resistance, thereby affecting the overall development.
The tobacco also contains a lot of nicotine on the brain is also poisonous, it will make students memory loss, lack of energy, poor academic performance. The survey found that non-smokers than the average scores of students smoking students is high. The data indicate that smoking younger, more serious health hazards, the age of 15 after 25-year-old smokers than smokers, only 55% higher mortality rate than non-smokers more than doubled.

結果 (英文) 3:

First of all, smoking is not only to the development and growth of young people's skeletal development, nervous system, respiratory system and reproductive system has a certain degree of impact. And due to the development of various systems and organs in the adolescent period is not perfect, the function is not perfect, the resistance is weak, and then affect the overall development.While a large number of nicotine in tobacco and also contain toxic to the brain, it will make the students' memory, depressed, falling grades. The survey found that the average grade of non smoking students was higher than that of smoking. Relevant data show that the younger the age of smoking, the more serious harm to health, 15 years old began to be more than 25 years after the age of smokers mortality rate of 55%, more than 1 times higher than non-smokers.