But Keller-Hamilton points out that nicotine is a "highly addictive substance." Regular users of nicotine can experience withdrawal symptoms, including irritability, cravings, anxiety, depression, sleep problems and increased appetite, according to the National Institute on Drug Abuse
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Just a quick buff every few weeks keeps your stem looking sharp and smoking smooth
Respondents were also asked whether the following chemicals are found in cigarette smoke: cyanide, arsenic and carbon monoxide
Analysis of tobacco industry pricing strategies in 23 European Union countries using commercial pricing data