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what was the first regulation on cannabis
- marijuana tax act 1937
- high taxes on buyers, sellers, distrubutors
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when was the peak of marijuana use
70s
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what is marijuana
preparation of the leafy material from the cannabis plant that
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why is marijuana classified differently
its effects are varied and complex
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parts of cannabis that contains the most THC
buds-leaves-seeds-stem-root
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is marijuana addictive
- it can be
- some people have experienced symptoms of dependence and withdrawal
- correlation with mood disorders
- not as addictive as alcohol or cocaine
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how many cannabinoids in cannabis
66, several other active ingredients
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what is the primary psychoactive agent in cannabis
THC
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what is HASH
- pure resin that has been carefully removed from the surface of leaves and stemsĀ
- rare in the US
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how does cannabis act in the body
- binds to cannabinoid receptors in the body
- heavily concentrated in the reward pathway, areas involving motivation, motor coordination, integration of sensory experiences
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ways of ingesting cannabis
- hash
- hash oil
- cannabis resin
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affects and storage of cannabinoids in the body
- It changes response times throughout the CNS
- it also increases heart rate
- its fat soluble
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quickest-slowest way to absorb THC
smoking(lung-blood-brain), oral THC (absorbed more slowly, transformed by the liver)
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what marijuana does to your brain
structural changes happen in the brain(especially nucleus accumbens and amygdala)
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behavioral effects of cannabinoids(including THC)
- learning, coordination, problem solving are affected.
- heavy use prior to 18 can have long term effects on motivational system
- with chronic use you may not reach your highest IQ
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medical uses for cannabis
- appetite stimulation, enhanced food appeal
- can treat chronic pain, neural pain, seizures, and chemotherapy side effects
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connection between cannabis and cancer
- some compounds in marijuana can stop or lessen the spread of cancer
- but there's many conflicting studies
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risk of long term smoking
smoke compounds can clog the lungs and prevent oxygen from being absorbed, no body has to work harder
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smoking vs vaping
- vaping-inhale fewer toxic compounds and less carbon monoxide
- also can be more potent, so dosing can be dangerous
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Wisconsin use
prevalence of marijuana has decreased between 1999 and 2013
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Dr. Krista Lisdahl research
- chronic users show structural differences than non-users
- MRIs show change in hippocampus
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