The ingredient in cigarettes that causes substance dependence is ______.

Question

Quizplus · Accepted Answer

Nicotine is the ingredient in cigarettes that causes substance dependence. It is a highly addictive substance that acts on the brain to produce feelings of pleasure, which can lead to continued use and dependence on tobacco products. Carbon monoxide and "tar" are harmful substances found in cigarettes, but they do not cause addiction. Adrenaline is a hormone produced by the body in response to stress or excitement and is not present in cigarettes.

The Ingredient in Cigarettes That Causes Substance Dependence Is ______