Definition
A substance, natural or artificial, that alters the function of the body.
The Effect
lower blood pressure, interrupt breathing, slow the heart rate
Examples
amphetamines, cocaine, marijuana
Effects on Body
increase the amount of neurotransmitter
Block a receptor
Prevent a neurotransmitter from biding
imitate a neurotransmitter.
Examples
Alcohol, inhalants
Effects of cocaine and amphetamines
heart attacks, respiration failure, strokes, abdominal pain, nausea
Common Drugs
alcohol, caffeine, tobacco, prescription drugs, over-the-counter drugs
Alcohol long term effect
reduction of brain mass, liver damage, ulcers
Active chemical of marijuana
tetrahydrocannabinol (THC)
Classes of Drugs
Stimulants and depressants
What are inhalants?
Chemical fumes that have an influence on the nervous system
Effects of marijuana
memory and learning issues, loss coordination, increase heart rate, anxiety
Stimulant Drugs
Nicotine, caffeine
Short term effect of inhalants?
intoxication
What means addiction?
The psychological and physiological dependence of drugs.