Prostep

Nicotine is a naturally produced alkaloid in the nightshade family of plants (most predominantly in tobacco and Duboisia hopwoodii)[6] and is widely used recreationally as a stimulant and anxiolytic. As a pharmaceutical drug, it is used for smoking cessation to relieve withdrawal symptoms.[7][4][8][9] Nicotine acts as a receptor agonist at most nicotinic acetylcholine receptors (nAChRs),[10] ... [wikipedia]