Because the teen brain is still developing, vaping and marijuana can have a bigger impact than most people realize. Dr. Raymond Pitetti shares the key facts every parent and teen should know. Vapes are harmful and can be highly addictive. Some disposable vapes have nearly tripled in nicotine strength in the span of only 5 years. Indica vs. Sativa vs. Hybrids: Which Is the Better Choice? Delta 8 THC: What You Need to Know About This Cannabinoid