Alcohol
This organ is responsible for breaking down 90% of consumed alcohol, and chronic use can lead to scarring called cirrhosis.
What is the liver?
This highly addictive chemical is found naturally in tobacco plants and is the primary reason people struggle to quit.
What is nicotine?
Most addictive substances trigger the release of this "feel-good" neurotransmitter in the brain's reward system.
What is dopamine?
Alcohol is classified as this type of drug because it slows down the central nervous system.
What is a depressant?
Smoking is the leading cause of this type of cancer, which accounts for more deaths than any other cancer in the U.S.
What is lung cancer?
This term describes when a person needs more of a substance to achieve the same effect they previously felt with smaller amounts.
What is tolerance?
This term refers to the measurement used to determine the legal limit for operating a vehicle.
What is Blood Alcohol Concentration (BAC)?
This is the term for the smoke inhaled by non-smokers, which can still cause serious health issues like asthma or heart disease.
What is secondhand smoke?
These are the physical and mental symptoms that occur when a person suddenly stops using a substance they are dependent on.
What is withdrawal?
This is the name of the life-threatening condition caused by drinking a large, toxic amount of alcohol in a short period.
What is alcohol poisoning?
This odorless, poisonous gas is found in cigarette smoke and reduces the amount of oxygen the blood can carry.
What is carbon monoxide?
Medical professionals define this as a chronic, relapsing brain disease characterized by compulsive drug seeking despite harmful consequences.
What is addiction (or Substance Use Disorder)?
Because alcohol affects this part of the brain, it often leads to loss of balance and coordination.
What is the cerebellum?
These tiny air sacs in the lungs are damaged by smoking, often leading to a disease called emphysema.
What are alveoli?
This medication is used as an emergency treatment to reverse the effects of an opioid overdose.
What is Naloxone (Narcan)?