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Smoking cessation, usually called quitting smoking or stopping smoking, is the process of discontinuing tobacco smoking. [1] Tobacco smoke contains nicotine, which is addictive and can cause dependence. [2] [3] As a result, nicotine withdrawal often makes the process of quitting difficult. Smoking is the leading cause of preventable death and a ...
A diagram of the human body showing cancers and chronic diseases caused by smoking. Tobacco products, especially when smoked or used orally, have serious negative effects on human health. [1] [2] Smoking and smokeless tobacco use is the single greatest cause of preventable death globally. [3]
Nicotine withdrawal is a group of symptoms that occur in the first few weeks after stopping or decreasing use of nicotine. Symptoms include intense cravings for nicotine, anger or irritability, anxiety, depression, impatience, trouble sleeping, restlessness, hunger, and difficulty concentrating. [1] [2] [3] Withdrawal symptoms make it harder to ...
Quitting smoking completely can add as much as a decade to your life, along with the positive environmental and public health impact it has by eliminating second- and third-hand smoke, Rezk-Hanna ...
Smoking, the study found, seemed to have long-term epigenetic effects on the immune system’s two major forms of protection: the innate response and the adaptive response.
Varenicline, sold under the brand names Chantix and Champix among others, is a medication used for smoking cessation [ 5][ 7] and for the treatment of dry eye disease. [ 6][ 8] It is a nicotinic acetylcholine receptor partial agonist. [ 5][ 6] When activated, this receptor releases dopamine in the nucleus accumbens, the brain's reward center ...
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