What are psychoactive drugs?
Chemicals that alter the brain, producing changes in perceptions and moods
What is one example of a depressant?
Alcohol, tranquilizers, or opioids
Depressants, stimulants, hallucinogens
What are the negative effects of alcohol?
Shrinks the brain and causes premature death
What is one key neurotransmitter that is affected by cocaine?
Dopamine, serotonin, or norepinephrine
Addiction is when a person becomes dependent on a drug. Withdrawal is the physical response when a person who is dependent on a drug suddenly stops using. Tolerance is when you need a bigger dose to feel high.
How many diseases does alcohol contribute to?
200+
LSD and MDMA
What is the difference between antagonist and agonist?
Antagonist drugs decrease a neurotransmitter's actions. Agonist drugs increase neurotransmitter's actions.
What are the negative effects when opioids are used?
The brain stops producing endorphins
What is negatively affected when marijuana is taken?
Impaired motor coordination, perception, and reaction time
What is reuptake inhibitor?
It is a type of drug that increases the amount of a specific neurotransmitter by blocking its reabsorbtion
What happens when a person stops using opioids?
The brain no longer produces endorphins which lowers the level of painkilling neurotransmitters
What drug is used to feel alert and boost a users mood?
Caffeine