Is cigarette a drug?

The nature of drugs relates to the physical or chemical properties of drugs, in general. These properties including drug matter, drug size, drug shape and drug bonds, and others are also explained in brief at the end of this chapter.

Cigarette smoke contains more than 4,000 chemicals, including toxins like ammonia. But the chief culprit in cigarettes is nicotine, a powerfully addictive drug. With every puff of a cigarette, nicotine alters how your brain functions.