Lasting physical damage is possible. Tobacco Tobacco is our most addictive recreational drug. Nicotine, the active principle , is a stimulant, and very poisonous. Chew and snuff are less addicting than pipes and cigars, which are less addicting than cigarettes. Addiction and health risks can be minimized by limiting use to once a week or less.
Tobacco can cause cancer and heart disease, and tobacco smoke is a factor in lung disease.
Safety Tips Don't use drugs while driving. Don't use recreational drugs alone. If you have an accident, friends can help. Don't use drugs to help you do your job. If you really need coffee every morning , re-think your sleep schedule.