Tobacco use causes serious health issues like gum disease, oral cancer, and increased risk of cardiovascular disease. Cigarette smoke contains over 4,800 chemicals including 69 known carcinogens. Smoking leads to at least one serious illness for over 8 million Americans and claims around 443,000 lives annually. Alcohol is the most commonly used drug in the US, especially among teenagers and children. It is a factor in 75% of car and motorcycle accident deaths for young people. Excessive alcohol harms the liver and can lead to conditions like sclerosis, ulcers, and cancer.