Carbon monoxide, a toxic gas produced from burning tobacco, reduces the amount of oxygen in the blood and increases the risk of heart disease
If you remember wearing a plastic costume featuring a picture of who you were supposed to be on the front and a plastic mask that impeded basic respiration, you probably trick or treating in the 80s
[86] Nicotine is a parasympathomimetic stimulant [89] that binds to and activates nicotinic acetylcholine receptors in the brain, [90] which subsequently causes the release of dopamine and other neurotransmitters, such as norepinephrine, acetylcholine, serotonin, gamma-aminobutyric acid, glutamate, endorphins, [91] and several neuropeptides, including proopiomelanocortin-derived -MSH and adrenocorticotropic hormone
All it takes is a few repeated uses and nicotine will take its grip on your life