Smoking is one of the worst habits and is increasing worldwide. It is practiced by burning tobacco in cigarettes and inhaling the smoke. Tobacco contains over 19 cancer-causing chemicals and 4000 other toxins. People smoke for reasons such as following family/friends, appearing cool, stress relief, and nicotine addiction. However, cigarettes contain the poison nicotine and tar that damage lungs. Smoking reduces oxygen in the blood and causes diseases like cancer, heart disease, and death for over 5 million people annually. In Islam, consuming anything injurious to health or that causes death, like cigarettes, is forbidden.