What is the nicotine and tar in marlboro black?

Nicotine is a naturally occurring stimulant drug found in tobacco plants, including those used in Marlboro Black cigarettes. It is highly addictive and acts on the brain to release dopamine, producing feelings of pleasure and reward. Tar is a sticky, brown residue that forms when tobacco is burned and is present in cigarette smoke. It contains harmful chemicals that can damage the lungs and contribute to various health problems, including lung cancer and respiratory diseases.