Chapter 28, Problem 28.67AP

Interpretation Introduction

Interpretation:

The similarity in the action of THC of marijuana to heroin and cocaine has to be explained.

Concept Introduction:

Neurotransmitters: Neurotransmitters are chemicals that transmit messages from the nervous system to the target cell. They are the chemical messagers where the electrical signal from the nervous system is travelled from one neuron to another to reach the target cell.

Dopamine is a neurotransmitter has a key role in the brain. It is required for many processes such as emotional response, controlling of movements and experiencing pain and pleasure.

Presence of THC increases the level of dopamine in the same area of brain where level of dopamine gets increased after administrating heroin or cocaine.