Nicotine commonly found in cigarettes is actually produced by plants as a natural protectant to safeguard from insects. It resembles the acetylcholine neurotrasmitter as thus blocks the ACH receptors when used by humans. It also stimulates the production of dopamine which leads to drug dependence and a feeling of euphoria.Severe withdrawal symptoms are observed for nicotine. A journal is a periodical publication intended to further progress of science, usually by reporting new research. Most journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, and scientific papers across a wide range of scientific fields. Journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientific validity. Each such journal article becomes part of the permanent scientific record.
Last date updated on September, 2014