does chewing tobacco give you a buzz Revealing the Truth About Dipping tobacco - Wikipedia

Most smokers become addicted to the nicotine in tobacco, and some research suggests it may be as addictive as heroin or cocaine, according to the CDC

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I would characterize this answer as about 70% accurate and 50% complete with about 30% related but irrelevant content and half the relevant information missing

adults who smoke daily had their first cigarette by the age of 21

106 A study of otherwise healthy young male military recruits demonstrated that relatively short durations of smoking produce significant loss of bone mineral density, highlighting the fact that a person doesnt have to be a lifetime smoker to have bone loss