Once you become addicted to tobacco, it's very hard to quit. The nicotine in cigarettes and chewing tobacco is as addictive as cocaine or heroin. Approximately seven seconds after you take a puff from a cigarette or a dip of chewing tobacco, nicotine is absorbed into the bloodstream and begins to affect certain areas of the brain. Once these areas are affected, they create more and more nicotine receptors, which crave more and more nicotine.
Tobacco companies know it is addictive.
In fact, they're counting on it. Internal memos from tobacco companies indicate tobacco executives knew nicotine was addicitve by the 1960's. 2. Throughout the 1970s, tobacco companies conducted experiments on laboratory animals. They were looking for the amount of nicotine that would make smoking most pleasurable for human smokers. Lucky Strike and Pall Mall are two of the nine brands that contained Y-1.