Transcript Drug Absue
Common Drugs
Quiz
1. What is the difference between
substance abuse and illicit drug use?
2. What is the answer to question 2 in the
section review?
3. What is a tolerance?
4. What are the two types of dependence?
5. List 3 consequences of drug abuse.
Marijuana
• Cannabis plant leaves, buds, flowers are
smoked for their intoxicating effects
• Mind altering effects
– Releases dopamine in the brain causing a
pleasure sensation
– “Crash” when the drug wears off
– Leads to development of dependence
Health Risks of Marijuana
• Hallucinations and paranoia
• Impaired short term memory
• Distorted sense of sight, touch, sound,
time
• Heart and lung damage
• Weakened immunity
• Increased appetite
• Lowers male sperm count
Inhalants
• Substances whose fumes are sniffed and
inhaled to achieve mind altering effects
• Kill brain cells that will never be replaced
• Include glues, spray paints, gasoline and
varnishes
• Permanent nervous system
and brain damage
Steroids
• Synthetic substances that are similar to
the male sex hormone
• Build up muscles but not tendons and
ligaments
– Injuries can occur
• Other side effects:
– Mood swings
– Impaired judgment
– Legal consequences
Psychoactive Drugs – change
the functioning of the central
nervous system
Four Main Groups of Psychoactive Drugs
Stimulants
Depressants
Opiates
Hallucinogens
Stimulants – speed up central
nervous system
• Cocaine
– Euphoric high followed by an emotional let down
• Regular use can lead to depression, fatigue and
paranoia
– Cardiac and respiratory
problems
• Crack
– Concentrated form of cocaine
• Extreme addiction
– Causes heart rate and blood pressure to
increase
• Amphetamines
– Stimulants used in prescription medicines to
reduce fatigue, drowsiness and to suppress
appetite
– Irregular heart beat, paranoia, heart and blood
vessel damage
• Methamphetamine
– Made in makeshift labs, so it is uncertain what
is in individual drugs
• Made of poisons
– Short term feeling of euphoria, then
depression
Meth
Depressants – slow down
nervous system
• Barbiturates
– Drugs that induce sleepiness
– Reduce respiratory function
– Used to counteract the effects of stimulants
• Tranquilizers
– Reduce muscle activity
– Withdrawal results in shaking, coma or death
• Rohypnol
– Date rape drug
– Victim wakes up with no recollection of
what happened
Narcotics – drugs from opium plant
• Morphine
– Blocks pain messages
to the brain
– Highly addictive
• Heroin
– Processed from morphine
– Users easily develop a tolerance
– Depresses the central nervous system, slows
breathing and pulse rate
Hallucinogens – alter moods,
thoughts and senses
• PCP
– Effects vary greatly from user to user
– Destructive behavior
• LSD
– Delusions, illusions, flashbacks
– Convulsions, coma or death
• Ecstasy
– Confusion and depression
– Muscle breakdown
Stimulants
Depressants
Hallucinogens
Narcotics/ Opiates
Drug Testing: Yes or No?
• Drug abuse is shown to cause a variety of problems
in society. Substance abuse costs employers $60
billion a year in decreased productivity, absenteeism
and unintentional injuries. Athletes have unfairly
used drugs to increase their performances.
Students who use drugs are unfocused and have
difficulty performing in school.
• In a paragraph discuss your opinions about drug
testing in athletics, schools and the workplace. Give
reasons for why you feel the way you do.