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The LD 50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5–1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children. [19] [20] However the widely used human LD 50 estimate of 0.5–1.0 mg/kg was questioned in a 2013 review, in light of several documented cases of humans surviving much higher doses; the 2013 review suggests that the lower limit causing fatal ...
The initial symptoms of nicotine poisoning may include rapid heart rate, sweating, feeling sick, and throwing up, and delayed symptoms include low blood pressure, seizures, and hypoventilation. [120] Rare serious effects included coma, seizure, trouble breathing, and heart attack. [121]
About 64% reported using nicotine-containing products; 11% reported exclusive use of nicotine-containing products. [3] On September 28, 2019, the first case of vaping-associated pulmonary injury was identified in Canada. [77] A number of other probable cases have been reported in British Columbia and New Brunswick as of October 2019. [78]
A National Institute on Drug Abuse video entitled Anyone Can Become Addicted to Drugs. [21]Nicotine dependence is defined as a neurobiological adaptation to repeated drug exposure that is manifested by highly controlled or compulsive use, the development of tolerance, experiencing withdrawal symptoms upon cessation including cravings, and an inability to quit despite harmful effects. [9]
Nicotine is a hygroscopic, colorless to yellow-brown, oily liquid, that is readily soluble in alcohol, ether or light petroleum. It is miscible with water in its neutral amine base form between 60 °C and 210 °C. It is a dibasic nitrogenous base, having K b1 =1×10 −6, K b2 =1×10 −11. [ 163 ]
The nicotine patch can also cause strange dreams if worn while asleep. [20] Nasal sprays commonly cause nasal irritation, watering eyes, and coughing. [31] Serious risks include nicotine poisoning, which includes symptoms like visual disturbances, hyper-salivation, nausea, and vomiting; and continued addiction to nicotine products. [1]
Nicotine is associated with cardiovascular disease, possible birth defects, and poisoning. [148] In vitro studies of nicotine have associated it with cancer, but carcinogenicity has not been demonstrated in vivo. [148] There is inadequate research to show that nicotine is associated with cancer in humans. [170]
t. e. Nicotiana tabacum, or cultivated tobacco, is an annually grown herbaceous plant of the genus Nicotiana. N. tabacum is the most commonly grown species in the genus Nicotiana, as the plant's leaves are commercially harvested to be processed into tobacco for human use. The plant is tropical in origin, is commonly grown throughout the world ...