Drugs: Engage Hyperlink:
http://learn.genetics.utah.edu/content/addiction/drugs/abuse.html
 Agonists (mimic)
 Antagonists (block)
 Reuptake inhibitors
If a drug is used often, a
tolerance is created for
the drug.
Thus you need more of the
drug to feel the same
effect.
If you stop using a drug
you can develop
withdrawal symptoms.
 Agonists: Mimic
 Antagonists:
Reuptake inhibitors
Blocks Reuptake inhibitors
http://www.interactive-biology.com/1641/agonists-andantagonists-episode-18/
 Psychoactive Drug: Substance capable of
altering behavior :

 Stimulant: Substance that increases activity
in body and nervous system
 Depressant: Substance that decreases
activity in body and nervous system
 Hallucinogen: Substance that alters or
distorts sensory perceptions
http://www.learner.org/vod/vod_window.html?pid=782
 Psychoactive Drug: Substance capable of altering behavior
 Examples include tobacco, alcohol, cannabis, amphetamines,
ecstasy, cocaine, and heroine

Visit the following to see what psychoactive
drugs do in your brain:
http://wps.aw.com/bc_goodenough_boh_3/104/26721/6840688.cw/content/i
ndex.html
http://www.learner.org/vod/vod_window.html?pid=782
 Speed up body processes.
 More powerful ones (like
cocaine) give people
feelings of invincibility.
 The most popular stimulants
are cocaine and
methamphetines. Others are
nicotine, speed, and caffeine.
 Amphetamines
(Speed)
 Cocaine
 Crack
 “the crash”
 meth
Stimulants
 Causes hand tremors,
sweating, talkativeness,
tinnitus, suppresses
fatigue or sleepiness,
increases alertness
 Caffeinism: Physiological
dependence on caffeine
 Withdrawal: Insomnia,
irritability, loss of
appetite, chills, racing
heart, elevated body
temperature
 Natural stimulant found
mainly in tobacco
 May cause stomach pain,
vomiting, diarrhea, confusion,
tremors
 Highly Addictive
 Responsible for 97% of lung
cancer deaths in men, 74% in
women
 Slows down body processes.
 Alcohol
 Anxiolytics (barbiturates and
tranquilizers)
 More than 86 billion
dollars are spent
annually on alcoholic
beverages.
 Alcohol is involved in
60% of ALL crimes.
 Alcohol is involved in
over 70% of sexually
related crimes.
 Is it worth the cost?
Involved in up to 60% of all crimes.
Dawn Farm Education Series Oct 25,
2007
15
 Has depressive and




hallucinogenic qualities.
Agonist for endorphins.
Derived from poppy
plant.
Morphine, heroin,
methadone and codeine.
All these drugs cross
the placental
barrier….teratogens.
Opiates
 Heroin and
morphine
 Addition comes
fast and the
withdrawal
symptoms are bad
 http://www.5min.com/Video/The-Dangers-of-Smoking-Spice-433300995
Don't Drink and Drive
 http://www.youtube.com/watch?v=ymiF-okrdMg&feature=related
 Detoxification: Withdrawal of
the person from alcohol; occurs
in a medical setting and is tightly
controlled; often necessary
before long-term treatment
begins
 Alcoholics Anonymous (AA):
Worldwide self-help
organization composed of
recovering alcoholics;
emphasizes admitting
powerlessness over alcohol usage
and wanting to recover.
 I have meet many of you with parents or family
members that have problems with alcohol and
sometimes you feel like there is no one out there
to understand. This is not true. Al Anon is an
organization dedicated to the family members of
alcoholics and I recommend you visit the
following website to learn more about one in your
area.
 http://www.al-anon.alateen.org/