A variety of agents, including nicotine, lobeline, and di-methylphenyl piperazinium (DMPP), can stimulate gan-glionic nicotinic receptors. Although these drugs have little or no therapeutic use, they offer considerable interest for several reasons. First, drugs such as nicotine that both stimulate and block ganglionic receptors have proved valuable as an aid in identifying and localizing postgan-glionic fibers. Second, nicotine's use as a potent insecticide and rodenticide and its presence in tobacco smoke have endowed it with considerable toxicological interest.
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Among the evils which a vitiated appetite has fastened upon mankind, those that arise from the use of Tobacco hold a prominent place, and call loudly for reform. We pity the poor Chinese, who stupifies body and mind with opium, and the wretched Hindoo, who is under a similar slavery to his favorite plant, the Betel but we present the humiliating spectacle of an enlightened and christian nation, wasting annually more than twenty-five millions of dollars, and destroying the health and the lives of thousands, by a practice not at all less degrading than that of the Chinese or Hindoo.