Drug Addiction and the Brain

The video explores the definition and types of drugs, how they enter the body, and their effects. It discusses drug tolerance, withdrawal, and addiction, focusing on specific substances like tobacco, alcohol, cocaine, and opiates. The role of the brain in addiction, particularly the impact of dopamine, is highlighted. The video also touches on the psychological aspects of addiction and the concept of physical dependence.

Discuss the psychological aspects of addiction beyond physical dependence.

How does nicotine affect the brain and contribute to addiction?

What are the neurological effects of alcohol on the brain?