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Why do we care?
• More than 75% of evidence evaluated in crime laboratories is drug related!
• In the U.S., 90 million people spend nearly $40 billion dollars a year on alcohol, alone!
Most drugs fit into one or more of the following categories:•Narcotics•Hallucinogens•Depressants•Stimulants
Types of Drugs
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Narcotics-induce a state of lethargy or sluggishness• Narcotics are analgesics –relieve
pain• Most come from the poppy plant• Example Narcotics
Morphine MethadoneHeroin CodeineOxyContin bsapp.combsapp.com
Hallucinogens-cause marked alterations in normal
thought process, perceptions, and moods
•Marijuana•LSD•PCP•Acid
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Depressants – depress (slow down) action in the Central Nervous System
•Alcohol•Barbiturates
(downers)• Inhalants
(huffing)
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Stimulants – stimulate (speed up) action in the Central Nervous System
•Cocaine•Crack•Crystal Meth•Amphetamines
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Dependence on drugs depends on:• Nature of the drug• The route of administration• The dose• Frequency of administration• Individual’s rate of metabolism• Social factors
Physiological vs. Psychological dependence
• On your white boards, write a description of each as they relate to drugs
Physiological dependence
• On your white board: which of the following are VERY likely to involve physiological dependence?
• Marijuana Ecstasy• Barbiturates Heroin• Alcohol Cocaine• LSD
Psychological Dependence
• On your white board: Which of the following are VERY likely to involve psychological dependence?
• Marijuana codeine• Amphetamines heroin• Alcohol cocaine
White Board Quiz
• #1 Huffing redi- whip cans (besides making one look stupid) can affect what parts of the body?
White Board Quiz
• #1 Huffers expose themselves to liver, heart, and brain damage
• Some halogenated hydrocarbons have a significant risk of death
White board Quiz
• #4 causes seizures, kidney failure, cardiovascular system failure and serious damage to the parts of the brain that are responsible for thought and memory
White Board Quiz
• Schedule 1 are the most dangerous/ have the most potential for dependence and have no acceptable medical use
• Schedule 2 either have lower potential for dependence or have an acceptable medical use
White Board Quiz
• #6 If I say to you, “Heroin is very soluble in water”, what do I mean? What happens when you introduce Heroin to water?