Search results
Results from the WOW.Com Content Network
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 ]
History of tobacco. Tobacco was long used in the early Americas. The arrival of Spain introduced tobacco to the Europeans, and it became a lucrative, heavily traded commodity to support the popular habit of smoking. Following the Industrial Revolution, cigarettes became hugely popular worldwide.
The history of smoking dates back to as early as 5000 BC in the Americas in shamanistic rituals. With the arrival of the Europeans in the 16th century, the consumption, cultivation, and trading of tobacco quickly spread. The modernization of farming equipment and manufacturing increased the availability of cigarettes following the ...
Tobacco use is a cause or risk factor for many deadly diseases, especially those affecting the heart, liver, and lungs [ 2 ] as well as many cancers. In 2008, the World Health Organization named tobacco use as the world's single greatest preventable cause of death. [ 3 ] In Minas Gerais, Brazil.
Tobacco smoking is the practice of burning tobacco and ingesting the resulting smoke. The smoke may be inhaled, as is done with cigarettes, or simply released from the mouth, as is generally done with pipes and cigars. The practice is believed to have begun as early as 5000–3000 BC in Mesoamerica and South America. [ 1 ]
An electronic cigarette (vape) A cigarette is a narrow cylinder containing a combustible material, typically tobacco, that is rolled into thin paper for smoking. The cigarette is ignited at one end, causing it to smolder; the resulting smoke is orally inhaled via the opposite end. Cigarette smoking is the most common method of tobacco consumption.
Nicotine has been known for centuries for its intoxicating effect. It was first isolated in 1828 from the tobacco plant by German chemists Posselt and Reimann. [2] The discovery of positive effects from nicotine on animal memory was discovered by in vivo researches in the mid 1980s. Those researches led to a new era in studies of nicotinic ...
Paris, France. Jean Nicot de Villemain (French: [ʒɑ̃ niko də vilmɛ̃]; 1530 – 4 May 1604) [1] was a French diplomat and scholar. He is famous for being the first to bring tobacco to France, including snuff tobacco. Nicotine is named after the tobacco plant Nicotiana tabacum, which in turn is named after Jean Nicot de Villemain, who sent ...