The shorter the amount of time between administration and a drug''s effects, the more addictive it is. This has been known for decades. It''s one of the reasons why smoking nicotine is so addictive 鈥 smoking as a route of administration goes directly from the lungs to the brain. ...
The main reason why it is so difficult toquit smokingis that nicotine is physically addictive. The nicotine inside cigarettes gives you a temporary, and extremely addictive, high. It can rev you up, making you feel more alert, more focused and happier. After a while, this becomes a regular...
The science behind why it's so difficult to quit smoking is crystal clear: Nicotine is addictive—reportedly as addictive as cocaine or heroin.
is the key thing that makes smoking addictive. When nicotine enters the brain, it binds to acetylcholine receptors and people experience a cascade of neurological responses, including increased alertness and focus. Over time, regular smoking causes the brain to think that acetylcholine...
One reason is that people become addicted (成瘾) to cigarettes. The addictive substance (物质) in cigarettes is nicotine (尼古丁). When people smoke, the nicotine goes right into the blood stream and makes people feel comfortable. A smoker's body gets used to the nicotine, and if he stops...
One reason is that people become addicted(成瘾) to cigarettes.The addictive substance(物质)in cigarettes is nicotine(尼古丁).When people smoke,the nicotine goes right into the blood stream and makes people feel comfortable.A smoker's body gets used to the nicotine,and if he stops smoking,he ...
nicotine patches and gum, regular and electronic cigarettes are more addictive because smoking and vaping deliver nicotine to the brain fastest. 药物进入大脑并刺激奖赏通路速度越快,它就越容易成瘾。例如,海 洛因和吗啡具有相似的作用,但海洛因的化学结构增强了其穿透脑血 ...
One reason is that people become addicted (成瘾) to cigarettes. The addictive substance (物质) in cigarettes is nicotine (尼古丁). When people smoke, the nicotine goes right into the blood stream and makes people feel comfortable. A smoker’s body gets used to the nicotine, and if he ...
aThe main chemical in tobacco, nicotine, is addictive, so quitting can be hard. It would have been best to never started smoking at all. Still, for smokers, quitting is still the wisest choice. Excise taxes are imposed on tobacco, and employment and health care favor non-smokers, precisely...
综上所述,本文到结束前都围绕着一个词,那就是nicotine。我们再看4个备选的 title, A的重点在 quit B的重点在 danger C的重点在 biology,D的重点在 poison,只有E,虽然没有直接出现 nicotine,但是“whysmoking is addictive”的答案不言而喻就是因为 nicotine,况且设问句也是经常出现作为文章的标题的形式之一。