E-cigarettes contain nicotine, or nicotine. Its function is to make the electronic cigarette also have a throat hit, making the taste closer to real cigarettes.
Nicotine is addictive. When smoking e-cigarettes, best vape pen ，this nicotine can bind to nicotine acetylcholine receptors and transmit it to the brain to promote the secretion of dopamine, resulting in a sense of pleasure. The brain remembers that it's the euphoria of smoking that leads to addiction.
In addition, after this nicotine component enters the human body, it will also stimulate the liver to release sugar into the blood, causing blood sugar to rise, which is very detrimental to health, so for health, we must smoke less.
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Do fruit-flavored e-cigarettes have nicotine?