Today, Dr. Barganier, Dr. Zuffi, Dr. Williams, and Dr. McAdams of Carolina Complete Dental Care want to give teens the bottom line about tobacco use: there is no such thing as a “safe” or “safer” tobacco product. Every tobacco product contains nicotine in varying amounts—and not only is nicotine addictive, but it can also harm the brain. (Many people don’t realize the brain continues developing until the mid-20s or even early-30s.)