: 有没有什么样的人才会抽烟的八卦
https://goo.gl/odRKnQ 据研究，抽烟时IQ可瞬间获提升达6分，效期约25-60分钟：
Research shows that tobacco simply increases the brain's capacity for work -
both the speed, endurance and concentration. The effect is also using
nicotine gum and patches, but not nearly the same strength as smoking. The
reason is that when nicotine is inhaled through the smoke, then it hits the
brain quickly & efficiently - in seconds - and gives it a "kick". The effect
lasts for 25-60 minutes.
https://goo.gl/YhSZyX IQ愈低者，烟瘾愈重：
A typical 18 to 21-year-old smoker was found to have an IQ of 94, while
non-smokers of the same age averaged 101.
Those who smoked more than a pack a day had particularly low IQs of around
90. An average intelligence IQ score ranges from 84 to 116 points.
Despite similar environmental conditions, non-smoking siblings achieved
higher IQs than their smoking brothers.
https://goo.gl/odRKnQ (尾段) 总结：
IQ较低者，必需靠抽烟的亢奋效果，使自己大脑效益提升，
才有机会爬到较高的成就和地位，获得自我肯定，IQ高者则无此需求；
故瘾君子主要集中在IQ较低的族群。
The study reflects the predictable fact that there are more smokers among the
less gifted because they are more motivated to increase their intelligence by
means of smoking. The cigarette offers the individual a chance of promotion
to a higher division in intelligence-league - and the opportunity to commit
themselves there.