Inhaling smoke from cigarette?!

Question: Inhaling smoke from cigarette.?
What happens when you inhale a huge puff of smoke in your mouth and take it in, what are the effects of it on the brain/psychological effectsHealth Question & Answer

acts as a stimulant and not really pleasant the first time you do it. eventually after your addicted it brings back ease and relaxation from the relief of not having any. soon the nicotine entering your body forms nicotine receptors in your brain that require more nicotine to satisfy "normality". im sure there is more but i dont know any more than thatHealth Question & Answer

80% 0f a smokers fumes, are not inhaled by the smoke only by the people around them, I don't know about physiological effects, but I do know that it fills your air sacks in your lungs with tar, as in the stuff from the road, which becomes extremely sticky and eventually you have difficulty breathing, It gives me a soar throat and runny nose after about 5 minutes of being around a smoker. Hope this helpsHealth Question & Answer

First hand experienceHealth Question & Answer

The inhaled smoke trigger chemical reactions in nerve endings. The cholinergic receptors are often triggered by the naturally occuring subtance acetylcholine. Acetylcholine and Nicotine express chemical similarities, which allows Nicotine to tigger the receptor as well. These nicotinic acetylcholine receptors takes part in two major types of neurotransmission, synaptic transmission and paracrine signalling. This activity increases hearth rate, memory, alertness, and produces a measurably faster reaction time after subjects have smoked. Dopamine and later endorphins are released, which are associated with sensations of pleasure and reward.
When tobacco is smoked, most of the nicotine is pyrolyzed. However, a dose sufficient to cause mild somatic dependency and mild to strong psychological dependency remains. There is also a formation of harmane (a MAO inhibitor) from the acetaldehyde in tobacco smoke. This seems to play an important role in nicotine addiction

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