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Cigarettes And Their Destruction Of The Brain Beginning of Paper Smokers generally feel more comfortable after that especially important first cigarette of the day. Within just a few seconds of "lighting up," smoking activates mind-altering changes. Smokers are well aware of the long-term risks of their habit: such as lung cancer, heart diseas .... Middle of Paper .... becomes increasingly focused on cigarettes. Nicotine causes smokers' brain cells to grow more nicotinic receptors than normal; therefore, the brain may function normally despite the irregular amount of acetylcholine-like chemical acting upon it. The brain is reshaped: the smoker feels normal with nicotine in his system, and abnormal without it. A series of tests were conducted on nonsmokers, "active" smokers, and "deprived" smokers. The "active" smokers were given a cigarette before each test, while the "deprived" smokers were not allowed .... 637 words | 3 pages Subscription Length Price Join 30 days membership (recurring) $19.95 90 days membership (recurring) $39.95 180 days membership (non-recurring) $69.95