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吸煙是有害的，為何還要吸煙？(急)
吸煙是有害的，為何還要吸煙？
怎樣方止吸煙的引誘？
一定要長細呀!!!
有用資料呀!!!
(吸煙是有害的，為何還要吸煙？)答o左這條先呀!!!
7 個解答
- 香港早晨Lv 71 十年前最愛解答
When someone start to smoke, they won't smoke it cause they want the chemical in the cigeratte.
Stop it?Always say no.
2006-12-05 18:08:54 補充：
Because of their nicotine addiction, many smokers are unable, or find it difficult to cease smoking despite their knowledge of ill health effects.Nicotine is a powerful stimulant and is one of the main factors leading to the continued tobacco smoking.
2006-12-05 18:09:42 補充：
Although the amount of nicotine inhaled with tobacco smoke is quite small (most of the substance is destroyed by the heat) it is still sufficient to cause physical and/or psychological dependence.
2006-12-05 18:11:51 補充：
The amount of nicotine absorbed by the body from smoking depends on many factors, including the type of tobacco, whether the smoke is inhaled, and whether a filter is used.
2006-12-05 18:12:08 補充：
Despite the design of various cigarettes advertised and even tested on machines to deliver less of the toxic tar, studies show that when smoked by humans instead of machines, they deliver the same net amount of smoke.
2006-12-05 18:12:31 補充：
Ingesting a compound by smoking is one of the most rapid and efficient methods of introducing it into the bloodstream, second only to injection, which allows for the rapid feedback which supports the smokers' ability to titrate their dosage.
2006-12-05 18:12:41 補充：
On average it takes about ten seconds for the substance to reach the brain.
2006-12-05 18:13:13 補充：
Although nicotine does play a role in acute episodes of some diseases by its stimulation of adrenaline release, which raises blood pressure, heart rate, and free fatty acids, the most serious longer term effects are more the result of the products of the smoldering combustion process.
2006-12-05 18:13:36 補充：
This has enabled development of various nicotine delivery systems, such as the nicotine patch or nicotine gum, that can satisfy the addictive craving by delivering nicotine without the harmful combustion byproducts.
2006-12-05 18:13:48 補充：
This can help the heavily dependent smoker to quit gradually, while discontinuing further damage to health.Reference:http://en.wikipedia.org/wiki/Health_effects_of_tob...
