mind-altering drugs
DESCRIPTION
MIND-ALTERING DRUGS. “But the man who comes back through the Door in the Wall will never be quite the same as the man who went out.”. Ajamian – Cole – Marshall. MIND-ALTERING DRUGS. produce a qualitative change in thought, perception or mood - PowerPoint PPT PresentationTRANSCRIPT
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MIND-ALTERING DRUGS
“But the man who comes back through the Door in the Wall will never be quite the same as the man who went out.”
Ajamian – Cole – Marshall
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MIND-ALTERING DRUGS• produce a qualitative change in thought, perception or
mood• cause remarkable distortions in touch, smell, hearing,
and vision
aka • psychedelic drugs• psychotomimetic (simulating ‘madness’’)• hallucinogens (a hallucination – perception or feeling
that has no external cause )
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MIND-ALTERING DRUGS• lysergic acid diethylamide (LSD )
• from ergot – fungus that grows on rye and other grains• mescaline
• from peyote cactus• (3,4,5-trimethoxyphenethylamine)
• psilocybin • from ‘magic mushrooms’
These 3 resemble neurotransmitter serotonin… bind with receptors in the brain… ‘overstimulate’ the receptors
• tetrahydrocannabinol • found in marijuanna… cannabis… extracted from Cannabis
sativa
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LSD
Lysergic acid diethylamide (or, if you prefer, Lysergsäure-diethylamid)
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(not to be confused with LDS)
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Urban Legends
• “Acid stays in your body forever”
• “That one guy jumped off that building”
• “Acid fries holes in your brain”
• “That one guy got stuck”
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Effects• Highly varied depending on dose, user’s
physiology and psychology• Magnified perception• Destroy user’s sense of judgment
– “that one guy who jumped from that building”• Strong, often opposite emotions• Physically – dilationof pupils, inc heart rate,
bp, body temp… sweating, sleeplessness, tremors
• Potential for bad trips and acid flashbacks• No physically addictive properties• Fast tolerance cycle
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Effects• Highly varied depending on dose, user’s
physiology and psychology• Magnified perception• Destroy user’s sense of judgment
– “that one guy who jumped from that building”• Strong, often opposite emotions• Physically – dilationof pupils, inc heart rate,
bp, body temp… sweating, sleeplessness, tremors
• Potential for bad trips and acid flashbacks• No physically addictive properties• Fast tolerance cycle
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LSD’s Structure• Note the indole* ring!
* benzene fused to a five membered ring containing a nitrogen
• Fat soluble• Diffuses into brain easily• Can cross placental barrier
to reach fetus
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Mescaline - effects• vivid color hallucinations• less potent than LSD• high lasts about 12 hours• decrease in appetite• long term use may cause liver damage
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Mescaline - structure
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Psilocybin - effects
• mild hallucinogenLow dose: similar to cannabis
High dose: similar to LSD
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Psilocybin - effects • High dose (similar to LSD)
– intensification of color– hallucinations– sense of well-being
• Low dose (similar to cannabis)
• Not addictive?... But tolerance is an issue
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“Lasts up to four hours!”
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Similarities in Structure of these 3 Psychedelics
Indole – heterocyclic amine
Contains a benzene sharing a C=C with a heterocylic ring containing a secondary amine.
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Serotonin• neurotransmitter
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LSD• Locate indole ring• Diethyl amine side chain
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Psylocybin• locate indole role• note - dimethylamine [-N(CH3)2]• note - dihydrogen phosphate on benzene
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Mescaline• benzene ring• no fused-ring heterocyclic…has primary
amine instead
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Properties related to Structure• LSD, psyilocybin, (and mescaline) have
similar structures… which give them similar properties
• differences in structure relate to differences in properties
• presence of more nonpolar groups (-methyl) increases fat solubility which increases their potency
• presence of more polar groups (dihydrogen phosphate) decreases fat solubility which decreases potency
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Comparison
• single dose of LSD 100 - 500 micrograms — an amount roughly equal to one-tenth the mass of a grain of sand.
• threshold effects can be felt with as little as 25 micrograms of LSD.[
• an active dose of mescaline is roughly 0.2 - 0.5g, has effects comparable to 100 µg or less of LSD.
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Tetrahydrocannabinol (THC)
AKA…
“Never touch the freeze, just the sticky green leaves…”
“…so apt to turn everything–the air, the sky—to Persian rugs.”
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“But what is the other terms for it?”
“Bionic, the bomb, the puff, the blow, the black, the herb, the sensei, the chronic, the sweet Mary Jane, the s---, ganja, split, reefa, the bad, the Buddha, the home grown, the ill, the Maui Wowie, the method, pot, lethal turbo, tie, shake, skunk, stress, whacky, weed, glaze, the boot, dimebag, Scooby Doo, bob, bogey, backyard boogie.” –Ali G
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Cannabis (Marijuana) - Effects
• Mild hallucinogen – effects similar to alcohol
• Low doses– excitement, silliness
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Cannabis (Marijuana) – Effects cont.
• Higher doses:– changes in perception (bright colors, keen hearing)– closed- and open-eye visual hallucinations– feelings of anxiety, depression, uneasiness,
panic, fear– difficulty with decision making – more likely to
follow suggestions of others– difficulty with memory– Reflexes dulled, thinking blurred – so task like
driving becomes difficult
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Cannabis (Marijuana) – Effects cont.
• Long term:– Tolerance is NOT an issue– Psychologic dependence can develop– Risks associated with smoking - cancer– Potential for a bad trip
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Legalization of Cannabis: For• Offer relief from some diseases and ailments
– AIDS – ‘wasting syndrome’ – C inc appetite– Cancer – nausea – C dec nausea so patients can
keep food down– Cancer – anxiety/tensions– C dec this in terminal
patients– Glaucoma – inc eye pressure – C dec interior eye
pressure
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Legalization of Cannabis: For• Improve quality / safety of drug
– Reduce harmful impurities• Reduce association with ‘hard’ drugs.• Would reduce strain on courts, prisons, and law
enforcement• Dismantling of violent black market• Opportunity for balanced drug education• Would save billions of dollars• Personal freedom
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Legalization of Cannabis: Against
• Regular use can lead to respiratory ailments
• Potential depression of immune system?• Decreased fertility in some males?• Chromosomal damage?• Potential exacerbation of psychiatric
ailments
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Legalization of Cannabis: Against
• “Gateway drug”• Criminal sources
– Users overpay for drug• Risk of drugged driving