Feb 02, 2018 · Nicotine is an alkaloid and parasympathomimetic stimulant found in certain parts of the plants from the nightshade family. The word parasympathomimetic simply means that it affects the parasympathetic nervous system – the part of our brain that is responsible for involuntary actions (also referred to as feed-and-breed and rest-and-digest actions) that occur after sexual arousal, feeding ...
Nicotine works fast. Drug levels peak within 10 seconds of inhalation. (Cigar and pipe smokers and smokeless tobacco users absorb nicotine more slowly.) Within a few minutes, the effects of nicotine disappear. To keep feeling good, a smoker takes another puff or lights another cigarette. Learn more about the science of nicotine addiction.
Jun 05, 2020 · Nicotine has a bad name, which is warranted when considering that more than 8 million people die because of tobacco addiction each year. Yet this bad name is not warranted when it comes to ...