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does tobacco speed up metabolism Most products, including e-cigarettes, contain nicotine, a chemical that can harm the heart, brain and whole body. As with other addictive products, using a nicotine product builds tolerance, leading to more Nicotine: From Discovery to Biological
Description
Comparisons and Preferences The tobacco industry sells a vast variety of products, each with its unique appeal

Ethics declarations Conflict of interest KF has received consulting fees from many companies that develop or market pharmaceutical and behavioral treatments for smoking cessation

2009 World Health Organization

Minus signs () indicate that the drugs are ineffective

The daily use of non-prescription medications was significantly lower

S2CID 238635872
