1️⃣ Smoking harms the lungs and many other parts of the body because cigarettes contain dangerous chemicals. These harmful substances damage the body’s cells and can increase the risk of diseases like cancer over time. 2️⃣ Yes, stopping smoking improves a person’s health. After quitting, the body slowly begins to recover, breathing becomes easier, the lungs work better, and the chances of heart disease and cancer become lower. 3️⃣ Young people can stay safe by avoiding smoking, taking part in healthy activities such as sports and exercise, eating nutritious food, and encouraging others to stay away from smoking as well.