Show the "big picture." As a result of THC actions in the nucleus accumbens (point to the concentration of THC in the nuc. acc.), there are increased impulses leaving the nucleus accumbens to activate the reward system (point to the frontal cortex). Scientists still don't know how the continued use of marijuana alters the reward system. Indicate that this is an area of intense research by neuroscientists.
Explores the consequences of drug abuse on the brain and body and introduces the topics of prevention, and treatment.
As a result of scientific research, we know that addiction is a disease that affects both brain and behavior.