Class Notes (809,430)
Canada (493,708)
BIOC33H3 (127)

Addictive Behaviors

3 Pages
Unlock Document

University of Toronto Scarborough
Biological Sciences
Stephen Reid

Chapter 12: Addictive Behaviors  The illicit substances most commonly used in the United States include marijuana/hashish, cocaine, hallucinogens, and heroin.  Compulsive behaviors, including eating disorders, gambling, computer gaming and interacting, and excessive exercise, are considered addictive behaviors.  Addiction is a complex disorder that is a treatable, chronic, relapsing disease. It is considered a biobehavioral disorder.  Addiction results from the prolonged effects of addictive drugs or behaviors on the brain.  The brain reward system is a system that creates the sensation of pleasure. The neurotransmitter dopamine plays a role in addiction.  Genetics, environment, and sociocultural factors contribute to addiction.  Tobacco: o The most common addictive behavior is tobacco use. The complications associated with the use of tobacco (nicotine) are related to dose and method of ingestion. o Tobacco use is the leading cause of preventable illness and death in the United States.  Cocaine: o Is the most potent of the abused stimulants. Besides its effects on the brain reward system, cocaine produces adrenalin-like effects. o Persons who abuse cocaine have problems related to sleep, appetite, depression, respiratory infections, chest pain, and/or headaches.  Amphetamines stimulate the central and peripheral nervous systems. They cause increased alertness, improved performance, relief of fatigue, and anorexia.  Caffeine promotes alertness and alleviates fatigue. It is a weak CNS stimulant.  Alcohol: o Is consumed by almost 50% of Americans over the age of 12. Alcohol abuse affects 10% of the population. o Alcoholism is a chro
More Less

Related notes for BIOC33H3

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.